54215115 has 16 divisors (see below), whose sum is σ = 86899200. Its totient is φ = 28863072.

The previous prime is 54215099. The next prime is 54215137. The reversal of 54215115 is 51151245.

It is not a de Polignac number, because 54215115 - 2⁴ = 54215099 is a prime.

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, 6366 + ... + 12204.

It is an arithmetic number, because the mean of its divisors is an integer number (5431200).

Almost surely, 2^54215115 is an apocalyptic number.

54215115 is a deficient number, since it is larger than the sum of its proper divisors (32684085).

54215115 is a wasteful number, since it uses less digits than its factorization.

54215115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466.

The product of its digits is 1000, while the sum is 24.

The square root of 54215115 is about 7363.0914023934. The cubic root of 54215115 is about 378.4775535260.

The spelling of 54215115 in words is "fifty-four million, two hundred fifteen thousand, one hundred fifteen".