55710565 has 16 divisors (see below), whose sum is σ = 72645120. Its totient is φ = 40858560.

The previous prime is 55710511. The next prime is 55710587. The reversal of 55710565 is 56501755.

It is not a de Polignac number, because 55710565 - 2¹⁷ = 55579493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55710565.

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, 6514 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (4540320).

Almost surely, 2^55710565 is an apocalyptic number.

It is an amenable number.

55710565 is a deficient number, since it is larger than the sum of its proper divisors (16934555).

55710565 is a wasteful number, since it uses less digits than its factorization.

55710565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 55710565 is about 7463.9510314578. The cubic root of 55710565 is about 381.9259676714.

The spelling of 55710565 in words is "fifty-five million, seven hundred ten thousand, five hundred sixty-five".