54915938 has 32 divisors (see below), whose sum is σ = 103292928. Its totient is φ = 21272400.

The previous prime is 54915923. The next prime is 54915941. The reversal of 54915938 is 83951945.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28481 + ... + 30347.

It is an arithmetic number, because the mean of its divisors is an integer number (3227904).

Almost surely, 2^54915938 is an apocalyptic number.

54915938 is a deficient number, since it is larger than the sum of its proper divisors (48376990).

54915938 is a wasteful number, since it uses less digits than its factorization.

54915938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its digits is 194400, while the sum is 44.

The square root of 54915938 is about 7410.5288610193. The cubic root of 54915938 is about 380.1013995329.

The spelling of 54915938 in words is "fifty-four million, nine hundred fifteen thousand, nine hundred thirty-eight".