56232231 has 16 divisors (see below), whose sum is σ = 81936768. Its totient is φ = 34020000.

The previous prime is 56232227. The next prime is 56232259. The reversal of 56232231 is 13223265.

It is not a de Polignac number, because 56232231 - 2² = 56232227 is a prime.

It is a super-2 number, since 2×56232231² = 6324127606474722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56232331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23856 + ... + 26106.

It is an arithmetic number, because the mean of its divisors is an integer number (5121048).

Almost surely, 2^56232231 is an apocalyptic number.

56232231 is a deficient number, since it is larger than the sum of its proper divisors (25704537).

56232231 is a wasteful number, since it uses less digits than its factorization.

56232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022.

The product of its digits is 2160, while the sum is 24.

The square root of 56232231 is about 7498.8153064334. The cubic root of 56232231 is about 383.1143666076.

Adding to 56232231 its reverse (13223265), we get a palindrome (69455496).

The spelling of 56232231 in words is "fifty-six million, two hundred thirty-two thousand, two hundred thirty-one".