55305260 has 24 divisors (see below), whose sum is σ = 116916576. Its totient is φ = 21974400.

The previous prime is 55305259. The next prime is 55305281. The reversal of 55305260 is 6250355.

55305260 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, 6137 + ... + 12176.

It is an arithmetic number, because the mean of its divisors is an integer number (4871524).

Almost surely, 2^55305260 is an apocalyptic number.

It is an amenable number.

55305260 is an abundant number, since it is smaller than the sum of its proper divisors (61611316).

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

55305260 is a wasteful number, since it uses less digits than its factorization.

55305260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473 (or 18471 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 55305260 is about 7436.7506345177. The cubic root of 55305260 is about 380.9975176826.

The spelling of 55305260 in words is "fifty-five million, three hundred five thousand, two hundred sixty".