54408915 has 112 divisors (see below), whose sum is σ = 113322240. Its totient is φ = 24805440.

The previous prime is 54408863. The next prime is 54408923. The reversal of 54408915 is 51980445.

It is not a de Polignac number, because 54408915 - 2⁸ = 54408659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54408915.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 922156 + ... + 922214.

Almost surely, 2^54408915 is an apocalyptic number.

54408915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54408915 is an abundant number, since it is smaller than the sum of its proper divisors (58913325).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54408915 is a wasteful number, since it uses less digits than its factorization.

54408915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 54408915 is about 7376.2398957735. The cubic root of 54408915 is about 378.9279920191.

The spelling of 54408915 in words is "fifty-four million, four hundred eight thousand, nine hundred fifteen".