54624140 has 12 divisors (see below), whose sum is σ = 114710736. Its totient is φ = 21849648.

The previous prime is 54624137. The next prime is 54624181. The reversal of 54624140 is 4142645.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365584 + ... + 1365623.

It is an arithmetic number, because the mean of its divisors is an integer number (9559228).

Almost surely, 2^54624140 is an apocalyptic number.

It is an amenable number.

54624140 is an abundant number, since it is smaller than the sum of its proper divisors (60086596).

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

54624140 is a wasteful number, since it uses less digits than its factorization.

54624140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731216 (or 2731214 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 54624140 is about 7390.8145694504. The cubic root of 54624140 is about 379.4269756725.

Adding to 54624140 its reverse (4142645), we get a palindrome (58766785).

The spelling of 54624140 in words is "fifty-four million, six hundred twenty-four thousand, one hundred forty".