55483880 has 32 divisors (see below), whose sum is σ = 125072640. Its totient is φ = 22152000.

The previous prime is 55483867. The next prime is 55483919. The reversal of 55483880 is 8838455.

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, 29117 + ... + 30963.

It is an arithmetic number, because the mean of its divisors is an integer number (3908520).

Almost surely, 2^55483880 is an apocalyptic number.

It is an amenable number.

55483880 is an abundant number, since it is smaller than the sum of its proper divisors (69588760).

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

55483880 is a wasteful number, since it uses less digits than its factorization.

55483880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 55483880 is about 7448.7502307434. The cubic root of 55483880 is about 381.4072475052.

The spelling of 55483880 in words is "fifty-five million, four hundred eighty-three thousand, eight hundred eighty".