55479288 has 32 divisors (see below), whose sum is σ = 141926400. Its totient is φ = 18062688.

The previous prime is 55479269. The next prime is 55479311. The reversal of 55479288 is 88297455.

It is a congruent number.

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, 25848 + ... + 27911.

It is an arithmetic number, because the mean of its divisors is an integer number (4435200).

Almost surely, 2^55479288 is an apocalyptic number.

It is an amenable number.

55479288 is an abundant number, since it is smaller than the sum of its proper divisors (86447112).

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

55479288 is a wasteful number, since it uses less digits than its factorization.

55479288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53811 (or 53807 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 55479288 is about 7448.4419847375. The cubic root of 55479288 is about 381.3967251072.

The spelling of 55479288 in words is "fifty-five million, four hundred seventy-nine thousand, two hundred eighty-eight".