55520152 has 32 divisors (see below), whose sum is σ = 108410400. Its totient is φ = 26623744.

The previous prime is 55520149. The next prime is 55520159. The reversal of 55520152 is 25102555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38028 + ... + 39460.

It is an arithmetic number, because the mean of its divisors is an integer number (3387825).

Almost surely, 2^55520152 is an apocalyptic number.

It is an amenable number.

55520152 is a deficient number, since it is larger than the sum of its proper divisors (52890248).

55520152 is a wasteful number, since it uses less digits than its factorization.

55520152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55520152 is about 7451.1846038063. The cubic root of 55520152 is about 381.4903430522.

The spelling of 55520152 in words is "fifty-five million, five hundred twenty thousand, one hundred fifty-two".