54431864 has 8 divisors (see below), whose sum is σ = 102059760. Its totient is φ = 27215928.

The previous prime is 54431857. The next prime is 54431891. The reversal of 54431864 is 46813445.

54431864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401984 + ... + 3401999.

It is an arithmetic number, because the mean of its divisors is an integer number (12757470).

Almost surely, 2^54431864 is an apocalyptic number.

It is an amenable number.

54431864 is a deficient number, since it is larger than the sum of its proper divisors (47627896).

54431864 is a wasteful number, since it uses less digits than its factorization.

54431864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803989 (or 6803985 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 54431864 is about 7377.7953346511. The cubic root of 54431864 is about 378.9812602268.

The spelling of 54431864 in words is "fifty-four million, four hundred thirty-one thousand, eight hundred sixty-four".