56715393 has 16 divisors (see below), whose sum is σ = 88188800. Its totient is φ = 32408208.

The previous prime is 56715391. The next prime is 56715427. The reversal of 56715393 is 39351765.

It is not a de Polignac number, because 56715393 - 2¹ = 56715391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56715391) 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, 26530 + ... + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (5511800).

Almost surely, 2^56715393 is an apocalyptic number.

It is an amenable number.

56715393 is a deficient number, since it is larger than the sum of its proper divisors (31473407).

56715393 is an equidigital number, since it uses as much as digits as its factorization.

56715393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55141 (or 55127 counting only the distinct ones).

The product of its digits is 85050, while the sum is 39.

The square root of 56715393 is about 7530.9622891102. The cubic root of 56715393 is about 384.2085117036.

The spelling of 56715393 in words is "fifty-six million, seven hundred fifteen thousand, three hundred ninety-three".