55722256 has 20 divisors (see below), whose sum is σ = 108105804. Its totient is φ = 27824000.

The previous prime is 55722241. The next prime is 55722263. The reversal of 55722256 is 65222755.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 27206656 = 5340^2 + 5216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13206 + ... + 16906.

Almost surely, 2^55722256 is an apocalyptic number.

It is an amenable number.

55722256 is a deficient number, since it is larger than the sum of its proper divisors (52383548).

55722256 is a wasteful number, since it uses less digits than its factorization.

55722256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650 (or 4644 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 55722256 is about 7464.7341546769. The cubic root of 55722256 is about 381.9526818394.

The spelling of 55722256 in words is "fifty-five million, seven hundred twenty-two thousand, two hundred fifty-six".