54639824 has 20 divisors (see below), whose sum is σ = 108727044. Its totient is φ = 26581248.

The previous prime is 54639821. The next prime is 54639829. The reversal of 54639824 is 42893645.

It can be written as a sum of positive squares in 2 ways, for example, as 26337424 + 28302400 = 5132^2 + 5320^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54639821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45557 + ... + 46740.

Almost surely, 2^54639824 is an apocalyptic number.

It is an amenable number.

54639824 is a deficient number, since it is larger than the sum of its proper divisors (54087220).

54639824 is a wasteful number, since it uses less digits than its factorization.

54639824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92342 (or 92336 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 54639824 is about 7391.8755400778. The cubic root of 54639824 is about 379.4632866223.

The spelling of 54639824 in words is "fifty-four million, six hundred thirty-nine thousand, eight hundred twenty-four".