56085513 has 16 divisors (see below), whose sum is σ = 81734400. Its totient is φ = 33926480.

The previous prime is 56085509. The next prime is 56085553. The reversal of 56085513 is 31558065.

56085513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56085513 - 2² = 56085509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (56085553) 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, 20458 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (5108400).

Almost surely, 2^56085513 is an apocalyptic number.

It is an amenable number.

56085513 is a deficient number, since it is larger than the sum of its proper divisors (25648887).

56085513 is a wasteful number, since it uses less digits than its factorization.

56085513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 56085513 is about 7489.0261716728. The cubic root of 56085513 is about 382.7808761870.

The spelling of 56085513 in words is "fifty-six million, eighty-five thousand, five hundred thirteen".