52694539 has 4 divisors (see below), whose sum is σ = 53416456. Its totient is φ = 51972624.

The previous prime is 52694533. The next prime is 52694563. The reversal of 52694539 is 93549625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52694539 - 2³ = 52694531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52694495 and 52694504.

It is not an unprimeable number, because it can be changed into a prime (52694531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360849 + ... + 360994.

It is an arithmetic number, because the mean of its divisors is an integer number (13354114).

Almost surely, 2^52694539 is an apocalyptic number.

52694539 is a deficient number, since it is larger than the sum of its proper divisors (721917).

52694539 is an equidigital number, since it uses as much as digits as its factorization.

52694539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721916.

The product of its digits is 291600, while the sum is 43.

The square root of 52694539 is about 7259.1004263614. The cubic root of 52694539 is about 374.9055501392.

The spelling of 52694539 in words is "fifty-two million, six hundred ninety-four thousand, five hundred thirty-nine".