56638595 has 16 divisors (see below), whose sum is σ = 75720960. Its totient is φ = 40381824.

The previous prime is 56638559. The next prime is 56638597. The reversal of 56638595 is 59583665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56638595 - 2⁶ = 56638531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56638597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13139 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (4732560).

Almost surely, 2^56638595 is an apocalyptic number.

56638595 is a deficient number, since it is larger than the sum of its proper divisors (19082365).

56638595 is a wasteful number, since it uses less digits than its factorization.

56638595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30094.

The product of its digits is 972000, while the sum is 47.

The square root of 56638595 is about 7525.8617446775. The cubic root of 56638595 is about 384.0350151628.

The spelling of 56638595 in words is "fifty-six million, six hundred thirty-eight thousand, five hundred ninety-five".