56754728547 has 16 divisors (see below), whose sum is σ = 83309698560. Its totient is φ = 34081236000.

The previous prime is 56754728491. The next prime is 56754728551. The reversal of 56754728547 is 74582745765.

It is not a de Polignac number, because 56754728547 - 2³⁵ = 22394990179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56754728557) 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, 7885579 + ... + 7892772.

It is an arithmetic number, because the mean of its divisors is an integer number (5206856160).

Almost surely, 2^56754728547 is an apocalyptic number.

56754728547 is a deficient number, since it is larger than the sum of its proper divisors (26554970013).

56754728547 is a wasteful number, since it uses less digits than its factorization.

56754728547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15778474.

The product of its digits is 65856000, while the sum is 60.

The spelling of 56754728547 in words is "fifty-six billion, seven hundred fifty-four million, seven hundred twenty-eight thousand, five hundred forty-seven".