54859980 has 48 divisors (see below), whose sum is σ = 175553280. Its totient is φ = 12539328.

The previous prime is 54859957. The next prime is 54859993. The reversal of 54859980 is 8995845.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64890 + ... + 65729.

It is an arithmetic number, because the mean of its divisors is an integer number (3657360).

Almost surely, 2^54859980 is an apocalyptic number.

It is an amenable number.

54859980 is an abundant number, since it is smaller than the sum of its proper divisors (120693300).

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

54859980 is a wasteful number, since it uses less digits than its factorization.

54859980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130638 (or 130636 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 54859980 is about 7406.7523247372. The cubic root of 54859980 is about 379.9722509746.

The spelling of 54859980 in words is "fifty-four million, eight hundred fifty-nine thousand, nine hundred eighty".