55117416 has 64 divisors (see below), whose sum is σ = 141396480. Its totient is φ = 17899200.

The previous prime is 55117397. The next prime is 55117441. The reversal of 55117416 is 61471155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242695 + ... + 242921.

It is an arithmetic number, because the mean of its divisors is an integer number (2209320).

Almost surely, 2^55117416 is an apocalyptic number.

It is an amenable number.

55117416 is an abundant number, since it is smaller than the sum of its proper divisors (86279064).

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

55117416 is a wasteful number, since it uses less digits than its factorization.

55117416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 450 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 55117416 is about 7424.1104517646. The cubic root of 55117416 is about 380.5656764326.

The spelling of 55117416 in words is "fifty-five million, one hundred seventeen thousand, four hundred sixteen".