56453013 has 6 divisors (see below), whose sum is σ = 81543254. Its totient is φ = 37635336.

The previous prime is 56452987. The next prime is 56453027. The reversal of 56453013 is 31035465.

56453013 is a `hidden beast` number, since 5 + 645 + 3 + 0 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56205009 + 248004 = 7497^2 + 498^2 .

It is not a de Polignac number, because 56453013 - 2⁸ = 56452757 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 (56453113) 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, 3136270 + ... + 3136287.

Almost surely, 2^56453013 is an apocalyptic number.

It is an amenable number.

56453013 is a deficient number, since it is larger than the sum of its proper divisors (25090241).

56453013 is a wasteful number, since it uses less digits than its factorization.

56453013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272563 (or 6272560 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 56453013 is about 7513.5220103491. The cubic root of 56453013 is about 383.6151132139.

Adding to 56453013 its reverse (31035465), we get a palindrome (87488478).

The spelling of 56453013 in words is "fifty-six million, four hundred fifty-three thousand, thirteen".