54878580 has 48 divisors (see below), whose sum is σ = 170735040. Its totient is φ = 14634144.

The previous prime is 54878543. The next prime is 54878591. The reversal of 54878580 is 8587845.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 50274 + ... + 51353.

It is an arithmetic number, because the mean of its divisors is an integer number (3556980).

Almost surely, 2^54878580 is an apocalyptic number.

It is an amenable number.

54878580 is an abundant number, since it is smaller than the sum of its proper divisors (115856460).

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

54878580 is a wasteful number, since it uses less digits than its factorization.

54878580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101645 (or 101637 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 54878580 is about 7408.0078293695. The cubic root of 54878580 is about 380.0151886819.

The spelling of 54878580 in words is "fifty-four million, eight hundred seventy-eight thousand, five hundred eighty".