54038915 has 24 divisors (see below), whose sum is σ = 75765312. Its totient is φ = 36892800.

The previous prime is 54038909. The next prime is 54038927. The reversal of 54038915 is 51983045.

It is not a de Polignac number, because 54038915 - 2⁶ = 54038851 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 23 ways as a sum of consecutive naturals, for example, 89615 + ... + 90215.

It is an arithmetic number, because the mean of its divisors is an integer number (3156888).

Almost surely, 2^54038915 is an apocalyptic number.

54038915 is a deficient number, since it is larger than the sum of its proper divisors (21726397).

54038915 is a wasteful number, since it uses less digits than its factorization.

54038915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 54038915 is about 7351.1165818534. The cubic root of 54038915 is about 378.0670891437.

The spelling of 54038915 in words is "fifty-four million, thirty-eight thousand, nine hundred fifteen".