54431115 has 32 divisors (see below), whose sum is σ = 90780480. Its totient is φ = 27815424.

The previous prime is 54431101. The next prime is 54431129. The reversal of 54431115 is 51113445.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54431101) and next prime (54431129).

It is not a de Polignac number, because 54431115 - 2⁶ = 54431051 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, 67897 + ... + 68693.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890).

Almost surely, 2^54431115 is an apocalyptic number.

54431115 is a deficient number, since it is larger than the sum of its proper divisors (36349365).

54431115 is a wasteful number, since it uses less digits than its factorization.

54431115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 1200, while the sum is 24.

The square root of 54431115 is about 7377.7445740551. The cubic root of 54431115 is about 378.9795219174.

The spelling of 54431115 in words is "fifty-four million, four hundred thirty-one thousand, one hundred fifteen".