52685519 has 2 divisors, whose sum is σ = 52685520. Its totient is φ = 52685518.

The previous prime is 52685509. The next prime is 52685557. The reversal of 52685519 is 91558625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52685519 - 2²⁰ = 51636943 is a prime.

It is a super-2 number, since 2×52685519² = 5551527824598722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52685509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26342759 + 26342760.

It is an arithmetic number, because the mean of its divisors is an integer number (26342760).

Almost surely, 2^52685519 is an apocalyptic number.

52685519 is a deficient number, since it is larger than the sum of its proper divisors (1).

52685519 is an equidigital number, since it uses as much as digits as its factorization.

52685519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 41.

The square root of 52685519 is about 7258.4791106677. The cubic root of 52685519 is about 374.8841574035.

The spelling of 52685519 in words is "fifty-two million, six hundred eighty-five thousand, five hundred nineteen".