54538115 has 4 divisors (see below), whose sum is σ = 65445744. Its totient is φ = 43630488.

The previous prime is 54538109. The next prime is 54538171. The reversal of 54538115 is 51183545.

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 54538115 - 2⁸ = 54537859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453807 + ... + 5453816.

It is an arithmetic number, because the mean of its divisors is an integer number (16361436).

Almost surely, 2^54538115 is an apocalyptic number.

54538115 is a deficient number, since it is larger than the sum of its proper divisors (10907629).

54538115 is a wasteful number, since it uses less digits than its factorization.

54538115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907628.

The product of its digits is 12000, while the sum is 32.

The square root of 54538115 is about 7384.9925524675. The cubic root of 54538115 is about 379.2276904291.

The spelling of 54538115 in words is "fifty-four million, five hundred thirty-eight thousand, one hundred fifteen".