52091565 has 8 divisors (see below), whose sum is σ = 83346528. Its totient is φ = 27782160.

The previous prime is 52091551. The next prime is 52091579. The reversal of 52091565 is 56519025.

It is an interprime number because it is at equal distance from previous prime (52091551) and next prime (52091579).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52091565 - 2⁴ = 52091549 is a prime.

It is a super-2 number, since 2×52091565² = 5427062288298450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736371 + ... + 1736400.

It is an arithmetic number, because the mean of its divisors is an integer number (10418316).

Almost surely, 2^52091565 is an apocalyptic number.

It is an amenable number.

52091565 is a deficient number, since it is larger than the sum of its proper divisors (31254963).

52091565 is a wasteful number, since it uses less digits than its factorization.

52091565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472779.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 52091565 is about 7217.4486489341. The cubic root of 52091565 is about 373.4700688727.

The spelling of 52091565 in words is "fifty-two million, ninety-one thousand, five hundred sixty-five".