55588416 has 56 divisors (see below), whose sum is σ = 158398464. Its totient is φ = 17103360.

The previous prime is 55588387. The next prime is 55588483. The reversal of 55588416 is 61488555.

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, 8640 + ... + 13631.

It is an arithmetic number, because the mean of its divisors is an integer number (2828544).

Almost surely, 2^55588416 is an apocalyptic number.

It is an amenable number.

55588416 is an abundant number, since it is smaller than the sum of its proper divisors (102810048).

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

55588416 is a wasteful number, since it uses less digits than its factorization.

55588416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22299 (or 22289 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 55588416 is about 7455.7639447611. The cubic root of 55588416 is about 381.6466309940.

The spelling of 55588416 in words is "fifty-five million, five hundred eighty-eight thousand, four hundred sixteen".