54172599 has 16 divisors (see below), whose sum is σ = 78029952. Its totient is φ = 33232608.

The previous prime is 54172589. The next prime is 54172621. The reversal of 54172599 is 99527145.

It is not a de Polignac number, because 54172599 - 2⁴ = 54172583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54172599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54172549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11532 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872).

Almost surely, 2^54172599 is an apocalyptic number.

54172599 is a deficient number, since it is larger than the sum of its proper divisors (23857353).

54172599 is a wasteful number, since it uses less digits than its factorization.

54172599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its digits is 113400, while the sum is 42.

The square root of 54172599 is about 7360.2037335932. The cubic root of 54172599 is about 378.3785924409.

The spelling of 54172599 in words is "fifty-four million, one hundred seventy-two thousand, five hundred ninety-nine".