54205920 has 72 divisors (see below), whose sum is σ = 184982616. Its totient is φ = 14454528.

The previous prime is 54205919. The next prime is 54205933. The reversal of 54205920 is 2950245.

54205920 is a `hidden beast` number, since 54 + 20 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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, 17382 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (2569203).

Almost surely, 2^54205920 is an apocalyptic number.

It is an amenable number.

54205920 is an abundant number, since it is smaller than the sum of its proper divisors (130776696).

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

54205920 is a wasteful number, since it uses less digits than its factorization.

54205920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37664 (or 37653 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 54205920 is about 7362.4669778546. The cubic root of 54205920 is about 378.4561554475.

The spelling of 54205920 in words is "fifty-four million, two hundred five thousand, nine hundred twenty".