55920552 has 32 divisors (see below), whose sum is σ = 139984800. Its totient is φ = 18615744.

The previous prime is 55920547. The next prime is 55920577. The reversal of 55920552 is 25502955.

55920552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34218 + ... + 35814.

It is an arithmetic number, because the mean of its divisors is an integer number (4374525).

Almost surely, 2^55920552 is an apocalyptic number.

It is an amenable number.

55920552 is an abundant number, since it is smaller than the sum of its proper divisors (84064248).

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

55920552 is a wasteful number, since it uses less digits than its factorization.

55920552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55920552 is about 7478.0045466689. The cubic root of 55920552 is about 382.4052240727.

The spelling of 55920552 in words is "fifty-five million, nine hundred twenty thousand, five hundred fifty-two".