65504875 has 16 divisors (see below), whose sum is σ = 86055840. Its totient is φ = 49644000.

The previous prime is 65504869. The next prime is 65504903. The reversal of 65504875 is 57840556.

It is a de Polignac number, because none of the positive numbers 2^k-65504875 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11416 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (5378490).

Almost surely, 2^65504875 is an apocalyptic number.

65504875 is a deficient number, since it is larger than the sum of its proper divisors (20550965).

65504875 is a wasteful number, since it uses less digits than its factorization.

65504875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27615 (or 27605 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 65504875 is about 8093.5082010214. The cubic root of 65504875 is about 403.1108992925.

The spelling of 65504875 in words is "sixty-five million, five hundred four thousand, eight hundred seventy-five".