54504815 has 4 divisors (see below), whose sum is σ = 65405784. Its totient is φ = 43603848.

The previous prime is 54504803. The next prime is 54504841. The reversal of 54504815 is 51840545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54504815 - 2⁴ = 54504799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5450477 + ... + 5450486.

It is an arithmetic number, because the mean of its divisors is an integer number (16351446).

Almost surely, 2^54504815 is an apocalyptic number.

54504815 is a deficient number, since it is larger than the sum of its proper divisors (10900969).

54504815 is a wasteful number, since it uses less digits than its factorization.

54504815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900968.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 54504815 is about 7382.7376358638. The cubic root of 54504815 is about 379.1504914942.

The spelling of 54504815 in words is "fifty-four million, five hundred four thousand, eight hundred fifteen".