54121115 has 8 divisors (see below), whose sum is σ = 68765760. Its totient is φ = 40749952.

The previous prime is 54121087. The next prime is 54121117. The reversal of 54121115 is 51112145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54121115 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54121117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318275 + ... + 318444.

It is an arithmetic number, because the mean of its divisors is an integer number (8595720).

Almost surely, 2^54121115 is an apocalyptic number.

54121115 is a deficient number, since it is larger than the sum of its proper divisors (14644645).

54121115 is a wasteful number, since it uses less digits than its factorization.

54121115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636741.

The product of its digits is 200, while the sum is 20.

The square root of 54121115 is about 7356.7054446947. The cubic root of 54121115 is about 378.2586879241.

The spelling of 54121115 in words is "fifty-four million, one hundred twenty-one thousand, one hundred fifteen".