55204056 has 48 divisors (see below), whose sum is σ = 154340160. Its totient is φ = 17807040.

The previous prime is 55204043. The next prime is 55204057. The reversal of 55204056 is 65040255.

It is a super-2 number, since 2×55204056² = 6094975597702272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55204057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10135 + ... + 14598.

It is an arithmetic number, because the mean of its divisors is an integer number (3215420).

Almost surely, 2^55204056 is an apocalyptic number.

It is an amenable number.

55204056 is an abundant number, since it is smaller than the sum of its proper divisors (99136104).

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

55204056 is a wasteful number, since it uses less digits than its factorization.

55204056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24776 (or 24769 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55204056 is about 7429.9432030131. The cubic root of 55204056 is about 380.7649779186.

The spelling of 55204056 in words is "fifty-five million, two hundred four thousand, fifty-six".