54912415 has 4 divisors (see below), whose sum is σ = 65894904. Its totient is φ = 43929928.

The previous prime is 54912409. The next prime is 54912433. The reversal of 54912415 is 51421945.

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 54912415 - 2²⁵ = 21357983 is a prime.

It is a super-2 number, since 2×54912415² = 6030746642264450, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5491237 + ... + 5491246.

It is an arithmetic number, because the mean of its divisors is an integer number (16473726).

Almost surely, 2^54912415 is an apocalyptic number.

54912415 is a deficient number, since it is larger than the sum of its proper divisors (10982489).

54912415 is a wasteful number, since it uses less digits than its factorization.

54912415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10982488.

The product of its digits is 7200, while the sum is 31.

The square root of 54912415 is about 7410.2911548737. The cubic root of 54912415 is about 380.0932711952.

The spelling of 54912415 in words is "fifty-four million, nine hundred twelve thousand, four hundred fifteen".