56691595 has 4 divisors (see below), whose sum is σ = 68029920. Its totient is φ = 45353272.

The previous prime is 56691589. The next prime is 56691637. The reversal of 56691595 is 59519665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59519665 = 5 ⋅11903933.

It is a cyclic number.

It is not a de Polignac number, because 56691595 - 2¹⁵ = 56658827 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5669155 + ... + 5669164.

It is an arithmetic number, because the mean of its divisors is an integer number (17007480).

Almost surely, 2^56691595 is an apocalyptic number.

56691595 is a deficient number, since it is larger than the sum of its proper divisors (11338325).

56691595 is a wasteful number, since it uses less digits than its factorization.

56691595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11338324.

The product of its digits is 364500, while the sum is 46.

The square root of 56691595 is about 7529.3821127633. The cubic root of 56691595 is about 384.1547657224.

The spelling of 56691595 in words is "fifty-six million, six hundred ninety-one thousand, five hundred ninety-five".