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56532085 = 597229509
BaseRepresentation
bin1101011110100…
…1110001110101
310221101010102221
43113221301311
5103433011320
65335402341
71254341401
oct327516165
9127333387
1056532085
1129a02435
1216b233b1
13b93464c
147718101
154e6a3aa
hex35e9c75

56532085 has 16 divisors (see below), whose sum is σ = 68972400. Its totient is φ = 44476416.

The previous prime is 56532053. The next prime is 56532097. The reversal of 56532085 is 58023565.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6036849 + 50495236 = 2457^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 56532085 - 25 = 56532053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56532085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110811 + ... + 111319.

It is an arithmetic number, because the mean of its divisors is an integer number (4310775).

Almost surely, 256532085 is an apocalyptic number.

It is an amenable number.

56532085 is a deficient number, since it is larger than the sum of its proper divisors (12440315).

56532085 is a wasteful number, since it uses less digits than its factorization.

56532085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 56532085 is about 7518.7821487259. The cubic root of 56532085 is about 383.7941356219.

The spelling of 56532085 in words is "fifty-six million, five hundred thirty-two thousand, eighty-five".

Divisors: 1 5 97 229 485 509 1145 2545 22213 49373 111065 116561 246865 582805 11306417 56532085