54515880 has 48 divisors (see below), whose sum is σ = 177177780. Its totient is φ = 14537472.

The previous prime is 54515831. The next prime is 54515899. The reversal of 54515880 is 8851545.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 2762244 = 7194^2 + 1662^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75357 + ... + 76076.

Almost surely, 2^54515880 is an apocalyptic number.

It is an amenable number.

54515880 is an abundant number, since it is smaller than the sum of its proper divisors (122661900).

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

54515880 is a wasteful number, since it uses less digits than its factorization.

54515880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151450 (or 151443 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 54515880 is about 7383.4869810950. The cubic root of 54515880 is about 379.1761468198.

The spelling of 54515880 in words is "fifty-four million, five hundred fifteen thousand, eight hundred eighty".