55052208 has 60 divisors (see below), whose sum is σ = 159394560. Its totient is φ = 17716608.

The previous prime is 55052191. The next prime is 55052219. The reversal of 55052208 is 80225055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (2656576).

Almost surely, 2^55052208 is an apocalyptic number.

55052208 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55052208 is an abundant number, since it is smaller than the sum of its proper divisors (104342352).

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

55052208 is a wasteful number, since it uses less digits than its factorization.

55052208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226 (or 13217 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55052208 is about 7419.7175148384. The cubic root of 55052208 is about 380.4155380478.

The spelling of 55052208 in words is "fifty-five million, fifty-two thousand, two hundred eight".