56510655 has 64 divisors (see below), whose sum is σ = 102435840. Its totient is φ = 26459136.

The previous prime is 56510651. The next prime is 56510677. The reversal of 56510655 is 55601565.

It is not a de Polignac number, because 56510655 - 2² = 56510651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242419 + ... + 242651.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560).

Almost surely, 2^56510655 is an apocalyptic number.

56510655 is a deficient number, since it is larger than the sum of its proper divisors (45925185).

56510655 is a wasteful number, since it uses less digits than its factorization.

56510655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 56510655 is about 7517.3569158315. The cubic root of 56510655 is about 383.7456336794.

The spelling of 56510655 in words is "fifty-six million, five hundred ten thousand, six hundred fifty-five".