52439593 has 4 divisors (see below), whose sum is σ = 52486228. Its totient is φ = 52392960.

The previous prime is 52439579. The next prime is 52439599. The reversal of 52439593 is 39593425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 35200489 = 4152^2 + 5933^2 .

It is a cyclic number.

It is not a de Polignac number, because 52439593 - 2⁵ = 52439561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52439599) 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, 21588 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (13121557).

Almost surely, 2^52439593 is an apocalyptic number.

It is an amenable number.

52439593 is a deficient number, since it is larger than the sum of its proper divisors (46635).

52439593 is a wasteful number, since it uses less digits than its factorization.

52439593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46634.

The product of its digits is 145800, while the sum is 40.

The square root of 52439593 is about 7241.5186943072. The cubic root of 52439593 is about 374.2999514467.

The spelling of 52439593 in words is "fifty-two million, four hundred thirty-nine thousand, five hundred ninety-three".