54125515 has 8 divisors (see below), whose sum is σ = 65620800. Its totient is φ = 42853632.

The previous prime is 54125441. The next prime is 54125521. The reversal of 54125515 is 51552145.

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

It is a cyclic number.

It is not a de Polignac number, because 54125515 - 2²¹ = 52028363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55315 + ... + 56284.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^54125515 is an apocalyptic number.

54125515 is a deficient number, since it is larger than the sum of its proper divisors (11495285).

54125515 is a wasteful number, since it uses less digits than its factorization.

54125515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111701.

The product of its digits is 5000, while the sum is 28.

The square root of 54125515 is about 7357.0044855226. The cubic root of 54125515 is about 378.2689383481.

The spelling of 54125515 in words is "fifty-four million, one hundred twenty-five thousand, five hundred fifteen".