53999875 has 16 divisors (see below), whose sum is σ = 68006016. Its totient is φ = 42806400.

The previous prime is 53999857. The next prime is 53999879. The reversal of 53999875 is 57899935.

It is not a de Polignac number, because 53999875 - 2²¹ = 51902723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53999879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12214 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (4250376).

Almost surely, 2^53999875 is an apocalyptic number.

53999875 is a deficient number, since it is larger than the sum of its proper divisors (14006141).

53999875 is a wasteful number, since it uses less digits than its factorization.

53999875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951 (or 3941 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The square root of 53999875 is about 7348.4607231719. The cubic root of 53999875 is about 377.9760233198.

The spelling of 53999875 in words is "fifty-three million, nine hundred ninety-nine thousand, eight hundred seventy-five".