54045115 has 4 divisors (see below), whose sum is σ = 64854144. Its totient is φ = 43236088.

The previous prime is 54045113. The next prime is 54045119. The reversal of 54045115 is 51154045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51154045 = 5 ⋅10230809.

It is a cyclic number.

It is not a de Polignac number, because 54045115 - 2¹ = 54045113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54045115.

It is not an unprimeable number, because it can be changed into a prime (54045113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5404507 + ... + 5404516.

It is an arithmetic number, because the mean of its divisors is an integer number (16213536).

Almost surely, 2^54045115 is an apocalyptic number.

54045115 is a deficient number, since it is larger than the sum of its proper divisors (10809029).

54045115 is a wasteful number, since it uses less digits than its factorization.

54045115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10809028.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 54045115 is about 7351.5382744022. The cubic root of 54045115 is about 378.0815474053.

The spelling of 54045115 in words is "fifty-four million, forty-five thousand, one hundred fifteen".