56310133 has 6 divisors (see below), whose sum is σ = 61894742. Its totient is φ = 51190920.

The previous prime is 56310113. The next prime is 56310139. The reversal of 56310133 is 33101365.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 23213124 = 5753^2 + 4818^2 .

It is not a de Polignac number, because 56310133 - 2²⁵ = 22755701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56310139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232566 + ... + 232807.

Almost surely, 2^56310133 is an apocalyptic number.

It is an amenable number.

56310133 is a deficient number, since it is larger than the sum of its proper divisors (5584609).

56310133 is a wasteful number, since it uses less digits than its factorization.

56310133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465395 (or 465384 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 56310133 is about 7504.0077958382. The cubic root of 56310133 is about 383.2912023430.

Adding to 56310133 its reverse (33101365), we get a palindrome (89411498).

The spelling of 56310133 in words is "fifty-six million, three hundred ten thousand, one hundred thirty-three".