56617677 has 16 divisors (see below), whose sum is σ = 84000000. Its totient is φ = 37690272.

The previous prime is 56617669. The next prime is 56617681. The reversal of 56617677 is 77671665.

56617677 is a `hidden beast` number, since 566 + 17 + 6 + 77 = 666.

It is not a de Polignac number, because 56617677 - 2³ = 56617669 is a prime.

It is a super-2 number, since 2×56617677² = 6411122697752658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56617637) 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, 27324 + ... + 29322.

It is an arithmetic number, because the mean of its divisors is an integer number (5250000).

Almost surely, 2^56617677 is an apocalyptic number.

It is an amenable number.

56617677 is a deficient number, since it is larger than the sum of its proper divisors (27382323).

56617677 is a wasteful number, since it uses less digits than its factorization.

56617677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057 (or 3051 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 56617677 is about 7524.4718751551. The cubic root of 56617677 is about 383.9877315416.

The spelling of 56617677 in words is "fifty-six million, six hundred seventeen thousand, six hundred seventy-seven".