56575644135 has 16 divisors (see below), whose sum is σ = 90569456640. Its totient is φ = 30157534880.

The previous prime is 56575644077. The next prime is 56575644137. The reversal of 56575644135 is 53144657565.

It is a happy number.

It is not a de Polignac number, because 56575644135 - 2⁸ = 56575643879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56575644137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979875 + ... + 1036004.

It is an arithmetic number, because the mean of its divisors is an integer number (5660591040).

Almost surely, 2^56575644135 is an apocalyptic number.

56575644135 is a deficient number, since it is larger than the sum of its proper divisors (33993812505).

56575644135 is a wasteful number, since it uses less digits than its factorization.

56575644135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017758.

The product of its digits is 7560000, while the sum is 51.

The spelling of 56575644135 in words is "fifty-six billion, five hundred seventy-five million, six hundred forty-four thousand, one hundred thirty-five".