54479220 has 48 divisors (see below), whose sum is σ = 161517888. Its totient is φ = 13672960.

The previous prime is 54479179. The next prime is 54479263. The reversal of 54479220 is 2297445.

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, 25686 + ... + 27725.

It is an arithmetic number, because the mean of its divisors is an integer number (3364956).

Almost surely, 2^54479220 is an apocalyptic number.

It is an amenable number.

54479220 is an abundant number, since it is smaller than the sum of its proper divisors (107038668).

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

54479220 is a wasteful number, since it uses less digits than its factorization.

54479220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53440 (or 53438 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 54479220 is about 7381.0039967473. The cubic root of 54479220 is about 379.0911335809.

The spelling of 54479220 in words is "fifty-four million, four hundred seventy-nine thousand, two hundred twenty".