56201313 has 32 divisors (see below), whose sum is σ = 88383232. Its totient is φ = 31104000.

The previous prime is 56201291. The next prime is 56201317. The reversal of 56201313 is 31310265.

It is not a de Polignac number, because 56201313 - 2⁵ = 56201281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 56201313.

It is not an unprimeable number, because it can be changed into a prime (56201317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93213 + ... + 93813.

It is an arithmetic number, because the mean of its divisors is an integer number (2761976).

Almost surely, 2^56201313 is an apocalyptic number.

It is an amenable number.

56201313 is a deficient number, since it is larger than the sum of its proper divisors (32181919).

56201313 is a wasteful number, since it uses less digits than its factorization.

56201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 56201313 is about 7496.7534973480. The cubic root of 56201313 is about 383.0441381914.

Adding to 56201313 its reverse (31310265), we get a palindrome (87511578).

The spelling of 56201313 in words is "fifty-six million, two hundred one thousand, three hundred thirteen".