54515163 has 4 divisors (see below), whose sum is σ = 72686888. Its totient is φ = 36343440.

The previous prime is 54515101. The next prime is 54515189. The reversal of 54515163 is 36151545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54515163 - 2¹⁰ = 54514139 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 54515163.

It is not an unprimeable number, because it can be changed into a prime (54515663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9085858 + ... + 9085863.

It is an arithmetic number, because the mean of its divisors is an integer number (18171722).

Almost surely, 2^54515163 is an apocalyptic number.

54515163 is a deficient number, since it is larger than the sum of its proper divisors (18171725).

54515163 is a wasteful number, since it uses less digits than its factorization.

54515163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18171724.

The product of its digits is 9000, while the sum is 30.

The square root of 54515163 is about 7383.4384266411. The cubic root of 54515163 is about 379.1744844877.

The spelling of 54515163 in words is "fifty-four million, five hundred fifteen thousand, one hundred sixty-three".