56630131 has 4 divisors (see below), whose sum is σ = 56679264. Its totient is φ = 56581000.

The previous prime is 56630113. The next prime is 56630137. The reversal of 56630131 is 13103665.

56630131 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.

It is a cyclic number.

It is not a de Polignac number, because 56630131 - 2⁷ = 56630003 is a prime.

It is a super-2 number, since 2×56630131² = 6413943474154322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56630096 and 56630105.

It is not an unprimeable number, because it can be changed into a prime (56630137) 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, 22795 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (14169816).

Almost surely, 2^56630131 is an apocalyptic number.

56630131 is a deficient number, since it is larger than the sum of its proper divisors (49133).

56630131 is a wasteful number, since it uses less digits than its factorization.

56630131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49132.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 56630131 is about 7525.2993960373. The cubic root of 56630131 is about 384.0158843075.

Adding to 56630131 its reverse (13103665), we get a palindrome (69733796).

The spelling of 56630131 in words is "fifty-six million, six hundred thirty thousand, one hundred thirty-one".