54051115 has 4 divisors (see below), whose sum is σ = 64861344. Its totient is φ = 43240888.

The previous prime is 54051071. The next prime is 54051131. The reversal of 54051115 is 51115045.

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: 51115045 = 5 ⋅10223009.

It is a cyclic number.

It is not a de Polignac number, because 54051115 - 2²¹ = 51953963 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5405107 + ... + 5405116.

It is an arithmetic number, because the mean of its divisors is an integer number (16215336).

Almost surely, 2^54051115 is an apocalyptic number.

54051115 is a deficient number, since it is larger than the sum of its proper divisors (10810229).

54051115 is a wasteful number, since it uses less digits than its factorization.

54051115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810228.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 54051115 is about 7351.9463409358. The cubic root of 54051115 is about 378.0955382186.

The spelling of 54051115 in words is "fifty-four million, fifty-one thousand, one hundred fifteen".