52506039 has 4 divisors (see below), whose sum is σ = 70008056. Its totient is φ = 35004024.

The previous prime is 52506031. The next prime is 52506043. The reversal of 52506039 is 93060525.

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

It is not a de Polignac number, because 52506039 - 2³ = 52506031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52505997 and 52506015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52506031) 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, 8751004 + ... + 8751009.

It is an arithmetic number, because the mean of its divisors is an integer number (17502014).

Almost surely, 2^52506039 is an apocalyptic number.

52506039 is a deficient number, since it is larger than the sum of its proper divisors (17502017).

52506039 is a wasteful number, since it uses less digits than its factorization.

52506039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502016.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 52506039 is about 7246.1050917027. The cubic root of 52506039 is about 374.4579760487.

The spelling of 52506039 in words is "fifty-two million, five hundred six thousand, thirty-nine".