56499213 has 4 divisors (see below), whose sum is σ = 75332288. Its totient is φ = 37666140.

The previous prime is 56499187. The next prime is 56499229. The reversal of 56499213 is 31299465.

56499213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56499213 - 2⁵ = 56499181 is a prime.

It is a super-2 number, since 2×56499213² = 6384322139238738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56499613) 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 3 ways as a sum of consecutive naturals, for example, 9416533 + ... + 9416538.

It is an arithmetic number, because the mean of its divisors is an integer number (18833072).

Almost surely, 2^56499213 is an apocalyptic number.

It is an amenable number.

56499213 is a deficient number, since it is larger than the sum of its proper divisors (18833075).

56499213 is a wasteful number, since it uses less digits than its factorization.

56499213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833074.

The product of its digits is 58320, while the sum is 39.

The square root of 56499213 is about 7516.5958385429. The cubic root of 56499213 is about 383.7197322872.

The spelling of 56499213 in words is "fifty-six million, four hundred ninety-nine thousand, two hundred thirteen".