56816790 has 32 divisors (see below), whose sum is σ = 136568160. Its totient is φ = 15128064.

The previous prime is 56816779. The next prime is 56816791. The reversal of 56816790 is 9761865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816791) 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, 29332 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (4267755).

Almost surely, 2^56816790 is an apocalyptic number.

56816790 is an abundant number, since it is smaller than the sum of its proper divisors (79751370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56816790 is a wasteful number, since it uses less digits than its factorization.

56816790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 56816790 is about 7537.6912911050. The cubic root of 56816790 is about 384.4373408040.

The spelling of 56816790 in words is "fifty-six million, eight hundred sixteen thousand, seven hundred ninety".