54018815 has 16 divisors (see below), whose sum is σ = 66081792. Its totient is φ = 42384384.

The previous prime is 54018791. The next prime is 54018823. The reversal of 54018815 is 51881045.

It is a cyclic number.

It is not a de Polignac number, because 54018815 - 2²⁴ = 37241599 is a prime.

It is a Duffinian number.

It is a congruent 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, 61157 + ... + 62033.

It is an arithmetic number, because the mean of its divisors is an integer number (4130112).

Almost surely, 2^54018815 is an apocalyptic number.

54018815 is a deficient number, since it is larger than the sum of its proper divisors (12062977).

54018815 is a wasteful number, since it uses less digits than its factorization.

54018815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 54018815 is about 7349.7493154529. The cubic root of 54018815 is about 378.0202087868.

The spelling of 54018815 in words is "fifty-four million, eighteen thousand, eight hundred fifteen".