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55254000 = 243539209
BaseRepresentation
bin1101001011000…
…1101111110000
310211222012020110
43102301233300
5103121112000
65252141320
71240436244
oct322615760
9124865213
1055254000
112920a16a
1216607840
13b5a7999
1474a4424
154cb6850
hex34b1bf0

55254000 has 80 divisors (see below), whose sum is σ = 178158240. Its totient is φ = 14732800.

The previous prime is 55253971. The next prime is 55254007. The reversal of 55254000 is 45255.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (2226978).

Almost surely, 255254000 is an apocalyptic number.

55254000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55254000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89079120).

55254000 is an abundant number, since it is smaller than the sum of its proper divisors (122904240).

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

55254000 is a wasteful number, since it uses less digits than its factorization.

55254000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9235 (or 9219 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 55254000 is about 7433.3034379070. The cubic root of 55254000 is about 380.8797713797.

Adding to 55254000 its reverse (45255), we get a palindrome (55299255).

The spelling of 55254000 in words is "fifty-five million, two hundred fifty-four thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 9209 18418 27627 36836 46045 55254 73672 92090 110508 138135 147344 184180 221016 230225 276270 368360 442032 460450 552540 690675 736720 920900 1105080 1151125 1381350 1841800 2210160 2302250 2762700 3453375 3683600 4604500 5525400 6906750 9209000 11050800 13813500 18418000 27627000 55254000