54522720 has 240 divisors, whose sum is σ = 220274208. Its totient is φ = 12441600.

The previous prime is 54522709. The next prime is 54522737. The reversal of 54522720 is 2722545.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90420 + ... + 91020.

Almost surely, 2^54522720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54522720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110137104).

54522720 is an abundant number, since it is smaller than the sum of its proper divisors (165751488).

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

54522720 is a wasteful number, since it uses less digits than its factorization.

54522720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 54522720 is about 7383.9501623454. The cubic root of 54522720 is about 379.1920043179.

The spelling of 54522720 in words is "fifty-four million, five hundred twenty-two thousand, seven hundred twenty".