54392404 has 36 divisors (see below), whose sum is σ = 107217684. Its totient is φ = 24112000.

The previous prime is 54392399. The next prime is 54392413. The reversal of 54392404 is 40429345.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 46212804 = 2860^2 + 6798^2 .

It is a super-2 number, since 2×54392404² = 5917067225798432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18474 + ... + 21214.

It is an arithmetic number, because the mean of its divisors is an integer number (2978269).

Almost surely, 2^54392404 is an apocalyptic number.

It is an amenable number.

54392404 is a deficient number, since it is larger than the sum of its proper divisors (52825280).

54392404 is a wasteful number, since it uses less digits than its factorization.

54392404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54392404 is about 7375.1206091833. The cubic root of 54392404 is about 378.8896581477.

The spelling of 54392404 in words is "fifty-four million, three hundred ninety-two thousand, four hundred four".