54589440 has 96 divisors (see below), whose sum is σ = 174741840. Its totient is φ = 14548992.

The previous prime is 54589429. The next prime is 54589459. The reversal of 54589440 is 4498545.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×54589440³ (a number of 24 digits) contains 333 as substring.

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, 29832 + ... + 31608.

Almost surely, 2^54589440 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 54589440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87370920).

54589440 is an abundant number, since it is smaller than the sum of its proper divisors (120152400).

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

54589440 is a wasteful number, since it uses less digits than its factorization.

54589440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 54589440 is about 7388.4666880213. The cubic root of 54589440 is about 379.3466149567.

The spelling of 54589440 in words is "fifty-four million, five hundred eighty-nine thousand, four hundred forty".