54400115 has 32 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 33552000.

The previous prime is 54400079. The next prime is 54400127. The reversal of 54400115 is 51100445.

It is not a de Polignac number, because 54400115 - 2¹⁰ = 54399091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38186 + ... + 39584.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^54400115 is an apocalyptic number.

54400115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54400115 is a deficient number, since it is larger than the sum of its proper divisors (27852685).

54400115 is a wasteful number, since it uses less digits than its factorization.

54400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 54400115 is about 7375.6433617685. The cubic root of 54400115 is about 378.9075618738.

The spelling of 54400115 in words is "fifty-four million, four hundred thousand, one hundred fifteen".