54309720 has 64 divisors (see below), whose sum is σ = 164579040. Its totient is φ = 14336000.

The previous prime is 54309719. The next prime is 54309757. The reversal of 54309720 is 2790345.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9880 + ... + 14360.

Almost surely, 2^54309720 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 54309720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82289520).

54309720 is an abundant number, since it is smaller than the sum of its proper divisors (110269320).

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

54309720 is a wasteful number, since it uses less digits than its factorization.

54309720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 54309720 is about 7369.5128739965. The cubic root of 54309720 is about 378.6975725012.

The spelling of 54309720 in words is "fifty-four million, three hundred nine thousand, seven hundred twenty".