54312115 has 32 divisors (see below), whose sum is σ = 78676416. Its totient is φ = 35458560.

The previous prime is 54312113. The next prime is 54312169. The reversal of 54312115 is 51121345.

It is a happy number.

It is not a de Polignac number, because 54312115 - 2¹ = 54312113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54312113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25429 + ... + 27481.

It is an arithmetic number, because the mean of its divisors is an integer number (2458638).

Almost surely, 2^54312115 is an apocalyptic number.

54312115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54312115 is a deficient number, since it is larger than the sum of its proper divisors (24364301).

54312115 is a wasteful number, since it uses less digits than its factorization.

54312115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its digits is 600, while the sum is 22.

The square root of 54312115 is about 7369.6753659846. The cubic root of 54312115 is about 378.7031391373.

The spelling of 54312115 in words is "fifty-four million, three hundred twelve thousand, one hundred fifteen".