52717691 has 12 divisors (see below), whose sum is σ = 58308192. Its totient is φ = 47619936.

The previous prime is 52717681. The next prime is 52717703. The reversal of 52717691 is 19671725.

52717691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-52717691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52717601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4625 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (4859016).

Almost surely, 2^52717691 is an apocalyptic number.

52717691 is a deficient number, since it is larger than the sum of its proper divisors (5590501).

52717691 is a wasteful number, since it uses less digits than its factorization.

52717691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710 (or 6697 counting only the distinct ones).

The product of its digits is 26460, while the sum is 38.

The square root of 52717691 is about 7260.6949391914. The cubic root of 52717691 is about 374.9604485694.

The spelling of 52717691 in words is "fifty-two million, seven hundred seventeen thousand, six hundred ninety-one".