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55125432150 = 23523377611433
BaseRepresentation
bin110011010101101110…
…110101011101010110
312021021210020002202020
4303111232311131112
51400344102312100
641154013154010
73661026304425
oct632556653526
9167253202666
1055125432150
1121418962098
12a82548b906
1352768a7c09
14294d3232bc
1516798265a0
hexcd5bb5756

55125432150 has 96 divisors (see below), whose sum is σ = 137392733088. Its totient is φ = 14627020800.

The previous prime is 55125432071. The next prime is 55125432151. The reversal of 55125432150 is 5123452155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125432151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38467834 + ... + 38469266.

It is an arithmetic number, because the mean of its divisors is an integer number (1431174303).

Almost surely, 255125432150 is an apocalyptic number.

55125432150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55125432150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68696366544).

55125432150 is an abundant number, since it is smaller than the sum of its proper divisors (82267300938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55125432150 is a wasteful number, since it uses less digits than its factorization.

55125432150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 55125432150 in words is "fifty-five billion, one hundred twenty-five million, four hundred thirty-two thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 337 674 761 1011 1433 1522 1685 2022 2283 2866 3370 3805 4299 4566 5055 7165 7610 8425 8598 10110 11415 14330 16850 19025 21495 22830 25275 35825 38050 42990 50550 57075 71650 107475 114150 214950 256457 482921 512914 769371 965842 1090513 1282285 1448763 1538742 2181026 2414605 2564570 2897526 3271539 3846855 4829210 5452565 6411425 6543078 7243815 7693710 10905130 12073025 12822850 14487630 16357695 19234275 24146050 27262825 32715390 36219075 38468550 54525650 72438150 81788475 163576950 367502881 735005762 1102508643 1837514405 2205017286 3675028810 5512543215 9187572025 11025086430 18375144050 27562716075 55125432150