56687793 has 16 divisors (see below), whose sum is σ = 78001920. Its totient is φ = 36601344.

The previous prime is 56687791. The next prime is 56687863. The reversal of 56687793 is 39778665.

It is not a de Polignac number, because 56687793 - 2¹ = 56687791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56687791) 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, 10305 + ... + 14817.

It is an arithmetic number, because the mean of its divisors is an integer number (4875120).

Almost surely, 2^56687793 is an apocalyptic number.

56687793 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

56687793 is a deficient number, since it is larger than the sum of its proper divisors (21314127).

56687793 is a wasteful number, since it uses less digits than its factorization.

56687793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648.

The product of its digits is 1905120, while the sum is 51.

The square root of 56687793 is about 7529.1296309733. The cubic root of 56687793 is about 384.1461777999.

The spelling of 56687793 in words is "fifty-six million, six hundred eighty-seven thousand, seven hundred ninety-three".