56130228 has 72 divisors (see below), whose sum is σ = 176904000. Its totient is φ = 14578560.

The previous prime is 56130227. The next prime is 56130241. The reversal of 56130228 is 82203165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56130227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7353 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^56130228 is an apocalyptic number.

It is an amenable number.

56130228 is an abundant number, since it is smaller than the sum of its proper divisors (120773772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56130228 is a wasteful number, since it uses less digits than its factorization.

56130228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277 (or 20272 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 56130228 is about 7492.0109450000. The cubic root of 56130228 is about 382.8825750590.

The spelling of 56130228 in words is "fifty-six million, one hundred thirty thousand, two hundred twenty-eight".