54557616 has 20 divisors (see below), whose sum is σ = 140940632. Its totient is φ = 18185856.

The previous prime is 54557609. The next prime is 54557651. The reversal of 54557616 is 61675545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568261 + ... + 568356.

Almost surely, 2^54557616 is an apocalyptic number.

It is an amenable number.

54557616 is an abundant number, since it is smaller than the sum of its proper divisors (86383016).

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

54557616 is a wasteful number, since it uses less digits than its factorization.

54557616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136628 (or 1136622 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 54557616 is about 7386.3127472373. The cubic root of 54557616 is about 379.2728847422.

The spelling of 54557616 in words is "fifty-four million, five hundred fifty-seven thousand, six hundred sixteen".