54042615 has 48 divisors (see below), whose sum is σ = 104607360. Its totient is φ = 25583040.

The previous prime is 54042601. The next prime is 54042619. The reversal of 54042615 is 51624045.

54042615 is a `hidden beast` number, since 5 + 4 + 0 + 42 + 615 = 666.

It is not a de Polignac number, because 54042615 - 2¹² = 54038519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20016 + ... + 22554.

It is an arithmetic number, because the mean of its divisors is an integer number (2179320).

Almost surely, 2^54042615 is an apocalyptic number.

54042615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54042615 is a deficient number, since it is larger than the sum of its proper divisors (50564745).

54042615 is a wasteful number, since it uses less digits than its factorization.

54042615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54042615 is about 7351.3682399945. The cubic root of 54042615 is about 378.0757175942.

The spelling of 54042615 in words is "fifty-four million, forty-two thousand, six hundred fifteen".