54113215 has 16 divisors (see below), whose sum is σ = 71422848. Its totient is φ = 39108096.

The previous prime is 54113179. The next prime is 54113231. The reversal of 54113215 is 51231145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54113215 - 2²³ = 45724607 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, 5802 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (4463928).

Almost surely, 2^54113215 is an apocalyptic number.

54113215 is a deficient number, since it is larger than the sum of its proper divisors (17309633).

54113215 is a wasteful number, since it uses less digits than its factorization.

54113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17778.

The product of its digits is 600, while the sum is 22.

The square root of 54113215 is about 7356.1684999733. The cubic root of 54113215 is about 378.2402823594.

The spelling of 54113215 in words is "fifty-four million, one hundred thirteen thousand, two hundred fifteen".