54564920 has 32 divisors (see below), whose sum is σ = 124506720. Its totient is φ = 21517440.

The previous prime is 54564919. The next prime is 54564943. The reversal of 54564920 is 2946545.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6767 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (3890835).

Almost surely, 2^54564920 is an apocalyptic number.

It is an amenable number.

54564920 is an abundant number, since it is smaller than the sum of its proper divisors (69941800).

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

54564920 is a wasteful number, since it uses less digits than its factorization.

54564920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19295 (or 19291 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 54564920 is about 7386.8071587121. The cubic root of 54564920 is about 379.2898092692.

The spelling of 54564920 in words is "fifty-four million, five hundred sixty-four thousand, nine hundred twenty".