56562861 has 8 divisors (see below), whose sum is σ = 75898144. Its totient is φ = 37468080.

The previous prime is 56562851. The next prime is 56562871. The reversal of 56562861 is 16826565.

It is an interprime number because it is at equal distance from previous prime (56562851) and next prime (56562871).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56562861 - 2⁶ = 56562797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56562811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59575 + ... + 60516.

It is an arithmetic number, because the mean of its divisors is an integer number (9487268).

Almost surely, 2^56562861 is an apocalyptic number.

It is an amenable number.

56562861 is a deficient number, since it is larger than the sum of its proper divisors (19335283).

56562861 is a wasteful number, since it uses less digits than its factorization.

56562861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120251.

The product of its digits is 86400, while the sum is 39.

The square root of 56562861 is about 7520.8284782994. The cubic root of 56562861 is about 383.8637686781.

The spelling of 56562861 in words is "fifty-six million, five hundred sixty-two thousand, eight hundred sixty-one".