56915045 has 16 divisors (see below), whose sum is σ = 74659968. Its totient is φ = 41307840.

The previous prime is 56915021. The next prime is 56915059. The reversal of 56915045 is 54051965.

56915045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56915045 - 2⁸ = 56914789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56914996 and 56915014.

It is a congruent number.

It is an unprimeable number.

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, 40952 + ... + 42318.

It is an arithmetic number, because the mean of its divisors is an integer number (4666248).

Almost surely, 2^56915045 is an apocalyptic number.

56915045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56915045 is a deficient number, since it is larger than the sum of its proper divisors (17744923).

56915045 is a wasteful number, since it uses less digits than its factorization.

56915045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 56915045 is about 7544.2060549802. The cubic root of 56915045 is about 384.6588195716.

The spelling of 56915045 in words is "fifty-six million, nine hundred fifteen thousand, forty-five".