56312620 has 48 divisors (see below), whose sum is σ = 145551168. Its totient is φ = 17821440.

The previous prime is 56312611. The next prime is 56312621. The reversal of 56312620 is 2621365.

56312620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56312620² = 6342222342528800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56312621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13651 + ... + 17290.

It is an arithmetic number, because the mean of its divisors is an integer number (3032316).

Almost surely, 2^56312620 is an apocalyptic number.

It is an amenable number.

56312620 is an abundant number, since it is smaller than the sum of its proper divisors (89238548).

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

56312620 is a wasteful number, since it uses less digits than its factorization.

56312620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30970 (or 30968 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 56312620 is about 7504.1735054568. The cubic root of 56312620 is about 383.2968450881.

Adding to 56312620 its reverse (2621365), we get a palindrome (58933985).

The spelling of 56312620 in words is "fifty-six million, three hundred twelve thousand, six hundred twenty".