55625280 has 56 divisors (see below), whose sum is σ = 176613312. Its totient is φ = 14833152.

The previous prime is 55625279. The next prime is 55625303. The reversal of 55625280 is 8252655.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28012 + ... + 29931.

Almost surely, 2^55625280 is an apocalyptic number.

It is an amenable number.

55625280 is an abundant number, since it is smaller than the sum of its proper divisors (120988032).

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

55625280 is a wasteful number, since it uses less digits than its factorization.

55625280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57963 (or 57953 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 55625280 is about 7458.2357163072. The cubic root of 55625280 is about 381.7309765799.

The spelling of 55625280 in words is "fifty-five million, six hundred twenty-five thousand, two hundred eighty".