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56625525 = 325211137167
BaseRepresentation
bin1101100000000…
…0100101110101
310221112212121200
43120000211311
5103444004100
65341403113
71255210665
oct330004565
9127485550
1056625525
1129a66660
1216b69499
13b968038
1477401a5
154e87e00
hex3600975

56625525 has 72 divisors (see below), whose sum is σ = 112117824. Its totient is φ = 27091200.

The previous prime is 56625523. The next prime is 56625533. The reversal of 56625525 is 52552665.

56625525 is a `hidden beast` number, since 5 + 6 + 625 + 5 + 25 = 666.

It is not a de Polignac number, because 56625525 - 21 = 56625523 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56625525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56625523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 338992 + ... + 339158.

It is an arithmetic number, because the mean of its divisors is an integer number (1557192).

Almost surely, 256625525 is an apocalyptic number.

56625525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56625525 is a deficient number, since it is larger than the sum of its proper divisors (55492299).

56625525 is a wasteful number, since it uses less digits than its factorization.

56625525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 323 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 56625525 is about 7524.9933554788. The cubic root of 56625525 is about 384.0054727410.

The spelling of 56625525 in words is "fifty-six million, six hundred twenty-five thousand, five hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 99 137 165 167 225 275 411 495 501 685 825 835 1233 1503 1507 1837 2055 2475 2505 3425 4175 4521 5511 6165 7515 7535 9185 10275 12525 13563 16533 22605 22879 27555 30825 37575 37675 45925 67815 68637 82665 113025 114395 137775 205911 251669 339075 343185 413325 571975 755007 1029555 1258345 1715925 2265021 3775035 5147775 6291725 11325105 18875175 56625525