56412131 has 4 divisors (see below), whose sum is σ = 56440200. Its totient is φ = 56384064.

The previous prime is 56412119. The next prime is 56412179. The reversal of 56412131 is 13121465.

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 56412131 - 2⁶ = 56412067 is a prime.

It is a super-2 number, since 2×56412131² = 6364657047922322, 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 = 56412097 and 56412106.

It is not an unprimeable number, because it can be changed into a prime (56412101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10766 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (14110050).

Almost surely, 2^56412131 is an apocalyptic number.

56412131 is a deficient number, since it is larger than the sum of its proper divisors (28069).

56412131 is a wasteful number, since it uses less digits than its factorization.

56412131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28068.

The product of its digits is 720, while the sum is 23.

The square root of 56412131 is about 7510.8009559567. The cubic root of 56412131 is about 383.5224890445.

Adding to 56412131 its reverse (13121465), we get a palindrome (69533596).

The spelling of 56412131 in words is "fifty-six million, four hundred twelve thousand, one hundred thirty-one".