55522256 has 20 divisors (see below), whose sum is σ = 113236800. Its totient is φ = 26299872.

The previous prime is 55522249. The next prime is 55522273. The reversal of 55522256 is 65222555.

It is a super-2 number, since 2×55522256² = 6165441822659072, which contains 22 as substring.

It is a congruent number.

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, 91016 + ... + 91623.

It is an arithmetic number, because the mean of its divisors is an integer number (5661840).

Almost surely, 2^55522256 is an apocalyptic number.

It is an amenable number.

55522256 is an abundant number, since it is smaller than the sum of its proper divisors (57714544).

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

55522256 is a wasteful number, since it uses less digits than its factorization.

55522256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182666 (or 182660 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 55522256 is about 7451.3257880729. The cubic root of 55522256 is about 381.4951619964.

The spelling of 55522256 in words is "fifty-five million, five hundred twenty-two thousand, two hundred fifty-six".