54642456 has 48 divisors (see below), whose sum is σ = 161445960. Its totient is φ = 16558080.

The previous prime is 54642433. The next prime is 54642487. The reversal of 54642456 is 65424645.

54642456 is a `hidden beast` number, since 5 + 4 + 642 + 4 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 54642456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33705 + ... + 35288.

Almost surely, 2^54642456 is an apocalyptic number.

It is an amenable number.

54642456 is an abundant number, since it is smaller than the sum of its proper divisors (106803504).

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

54642456 is a wasteful number, since it uses less digits than its factorization.

54642456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69016 (or 69009 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 54642456 is about 7392.0535712345. The cubic root of 54642456 is about 379.4693794392.

The spelling of 54642456 in words is "fifty-four million, six hundred forty-two thousand, four hundred fifty-six".