54431992 has 16 divisors (see below), whose sum is σ = 102328200. Its totient is φ = 27144480.

The previous prime is 54431963. The next prime is 54432013. The reversal of 54431992 is 29913445.

It is a congruent number.

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, 5634 + ... + 11857.

Almost surely, 2^54431992 is an apocalyptic number.

It is an amenable number.

54431992 is a deficient number, since it is larger than the sum of its proper divisors (47896208).

54431992 is a wasteful number, since it uses less digits than its factorization.

54431992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17886 (or 17882 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 54431992 is about 7377.8040093242. The cubic root of 54431992 is about 378.9815572928.

The spelling of 54431992 in words is "fifty-four million, four hundred thirty-one thousand, nine hundred ninety-two".