56231228 has 24 divisors (see below), whose sum is σ = 103305888. Its totient is φ = 26730176.

The previous prime is 56231221. The next prime is 56231281. The reversal of 56231228 is 82213265.

It is a self number, because there is not a number n which added to its sum of digits gives 56231228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56231221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14150 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (4304412).

Almost surely, 2^56231228 is an apocalyptic number.

It is an amenable number.

56231228 is a deficient number, since it is larger than the sum of its proper divisors (47074660).

56231228 is a wasteful number, since it uses less digits than its factorization.

56231228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3731 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 56231228 is about 7498.7484289047. The cubic root of 56231228 is about 383.1120887562.

The spelling of 56231228 in words is "fifty-six million, two hundred thirty-one thousand, two hundred twenty-eight".