52065519 has 16 divisors (see below), whose sum is σ = 77345280. Its totient is φ = 30882560.

The previous prime is 52065487. The next prime is 52065521. The reversal of 52065519 is 91556025.

It is a cyclic number.

It is not a de Polignac number, because 52065519 - 2⁵ = 52065487 is a prime.

It is a super-2 number, since 2×52065519² = 5421636537478722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 52065519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52065539) 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, 15234 + ... + 18335.

It is an arithmetic number, because the mean of its divisors is an integer number (4834080).

Almost surely, 2^52065519 is an apocalyptic number.

52065519 is a deficient number, since it is larger than the sum of its proper divisors (25279761).

52065519 is a wasteful number, since it uses less digits than its factorization.

52065519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630.

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

The square root of 52065519 is about 7215.6440460987. The cubic root of 52065519 is about 373.4078129642.

The spelling of 52065519 in words is "fifty-two million, sixty-five thousand, five hundred nineteen".