56878228 has 18 divisors (see below), whose sum is σ = 109409258. Its totient is φ = 25853520.

The previous prime is 56878223. The next prime is 56878231. The reversal of 56878228 is 82287865.

It is a happy number.

56878228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39589264 + 17288964 = 6292^2 + 4158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56878223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58275 + ... + 59242.

Almost surely, 2^56878228 is an apocalyptic number.

It is an amenable number.

56878228 is a deficient number, since it is larger than the sum of its proper divisors (52531030).

56878228 is a wasteful number, since it uses less digits than its factorization.

56878228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117543 (or 117530 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 56878228 is about 7541.7655757787. The cubic root of 56878228 is about 384.5758594419.

The spelling of 56878228 in words is "fifty-six million, eight hundred seventy-eight thousand, two hundred twenty-eight".