52164591 has 16 divisors (see below), whose sum is σ = 72770400. Its totient is φ = 33195008.

The previous prime is 52164589. The next prime is 52164617. The reversal of 52164591 is 19546125.

It is a cyclic number.

It is not a de Polignac number, because 52164591 - 2¹ = 52164589 is a prime.

It is a super-2 number, since 2×52164591² = 5442289108394562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52164491) 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, 4375 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (4548150).

Almost surely, 2^52164591 is an apocalyptic number.

52164591 is a deficient number, since it is larger than the sum of its proper divisors (20605809).

52164591 is a wasteful number, since it uses less digits than its factorization.

52164591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858.

The product of its digits is 10800, while the sum is 33.

The square root of 52164591 is about 7222.5058670797. The cubic root of 52164591 is about 373.6445071635.

The spelling of 52164591 in words is "fifty-two million, one hundred sixty-four thousand, five hundred ninety-one".