54318415 has 4 divisors (see below), whose sum is σ = 65182104. Its totient is φ = 43454728.

The previous prime is 54318413. The next prime is 54318419. The reversal of 54318415 is 51481345.

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 54318415 - 2¹ = 54318413 is a prime.

It is a super-2 number, since 2×54318415² = 5900980416224450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54318413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5431837 + ... + 5431846.

It is an arithmetic number, because the mean of its divisors is an integer number (16295526).

Almost surely, 2^54318415 is an apocalyptic number.

54318415 is a deficient number, since it is larger than the sum of its proper divisors (10863689).

54318415 is a wasteful number, since it uses less digits than its factorization.

54318415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863688.

The product of its digits is 9600, while the sum is 31.

The square root of 54318415 is about 7370.1027808301. The cubic root of 54318415 is about 378.7177812820.

The spelling of 54318415 in words is "fifty-four million, three hundred eighteen thousand, four hundred fifteen".