56315020 has 24 divisors (see below), whose sum is σ = 118414800. Its totient is φ = 22496832.

The previous prime is 56315009. The next prime is 56315023. The reversal of 56315020 is 2051365.

It is a happy number.

56315020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56314982 and 56315000.

It is not an unprimeable number, because it can be changed into a prime (56315023) 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 7 ways as a sum of consecutive naturals, for example, 20911 + ... + 23449.

It is an arithmetic number, because the mean of its divisors is an integer number (4933950).

Almost surely, 2^56315020 is an apocalyptic number.

It is an amenable number.

56315020 is an abundant number, since it is smaller than the sum of its proper divisors (62099780).

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

56315020 is a wasteful number, since it uses less digits than its factorization.

56315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56315020 is about 7504.3334147678. Note that the first 3 decimals coincide. The cubic root of 56315020 is about 383.3022902818.

Adding to 56315020 its reverse (2051365), we get a palindrome (58366385).

The spelling of 56315020 in words is "fifty-six million, three hundred fifteen thousand, twenty".