56472131 has 4 divisors (see below), whose sum is σ = 56538432. Its totient is φ = 56405832.

The previous prime is 56472127. The next prime is 56472151. The reversal of 56472131 is 13127465.

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 56472131 - 2² = 56472127 is a prime.

It is a super-2 number, since 2×56472131² = 6378203159362322, 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 = 56472094 and 56472103.

It is not an unprimeable number, because it can be changed into a prime (56472151) 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, 31856 + ... + 33581.

It is an arithmetic number, because the mean of its divisors is an integer number (14134608).

Almost surely, 2^56472131 is an apocalyptic number.

56472131 is a deficient number, since it is larger than the sum of its proper divisors (66301).

56472131 is an equidigital number, since it uses as much as digits as its factorization.

56472131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66300.

The product of its digits is 5040, while the sum is 29.

The square root of 56472131 is about 7514.7941422237. The cubic root of 56472131 is about 383.6584125031.

Adding to 56472131 its reverse (13127465), we get a palindrome (69599596).

The spelling of 56472131 in words is "fifty-six million, four hundred seventy-two thousand, one hundred thirty-one".