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55132528 = 24111916487
BaseRepresentation
bin1101001001010…
…0000101110000
310211202000121111
43102110011300
5103103220103
65245403104
71236422143
oct322240560
9124660544
1055132528
1129136980
1216569494
13b5645c9
14747205a
154c9086d
hex3494170

55132528 has 40 divisors (see below), whose sum is σ = 122670720. Its totient is φ = 23739840.

The previous prime is 55132507. The next prime is 55132531. The reversal of 55132528 is 82523155.

It is a self number, because there is not a number n which added to its sum of digits gives 55132528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4900 + ... + 11587.

It is an arithmetic number, because the mean of its divisors is an integer number (3066768).

Almost surely, 255132528 is an apocalyptic number.

It is an amenable number.

55132528 is an abundant number, since it is smaller than the sum of its proper divisors (67538192).

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

55132528 is a wasteful number, since it uses less digits than its factorization.

55132528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525 (or 16519 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 55132528 is about 7425.1281470423. The cubic root of 55132528 is about 380.6004542057.

The spelling of 55132528 in words is "fifty-five million, one hundred thirty-two thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 11 16 19 22 38 44 76 88 152 176 209 304 418 836 1672 3344 16487 32974 65948 131896 181357 263792 313253 362714 626506 725428 1253012 1450856 2506024 2901712 3445783 5012048 6891566 13783132 27566264 55132528