54815 has 8 divisors (see below), whose sum is σ = 69360. Its totient is φ = 41472.

The previous prime is 54799. The next prime is 54829. The reversal of 54815 is 51845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54815 - 2⁴ = 54799 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 54815.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194 + ... + 383.

It is an arithmetic number, because the mean of its divisors is an integer number (8670).

2⁵⁴⁸¹⁵ is an apocalyptic number.

54815 is a deficient number, since it is larger than the sum of its proper divisors (14545).

54815 is a wasteful number, since it uses less digits than its factorization.

54815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 800, while the sum is 23.

The square root of 54815 is about 234.1260344344. The cubic root of 54815 is about 37.9868375466.

The spelling of 54815 in words is "fifty-four thousand, eight hundred fifteen".