52631589 has 4 divisors (see below), whose sum is σ = 70175456. Its totient is φ = 35087724.

The previous prime is 52631573. The next prime is 52631591. The reversal of 52631589 is 98513625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52631589 - 2⁴ = 52631573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631569) 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, 8771929 + ... + 8771934.

It is an arithmetic number, because the mean of its divisors is an integer number (17543864).

Almost surely, 2^52631589 is an apocalyptic number.

It is an amenable number.

52631589 is a deficient number, since it is larger than the sum of its proper divisors (17543867).

52631589 is a wasteful number, since it uses less digits than its factorization.

52631589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543866.

The product of its digits is 64800, while the sum is 39.

The square root of 52631589 is about 7254.7631939299. The cubic root of 52631589 is about 374.7562006438.

The spelling of 52631589 in words is "fifty-two million, six hundred thirty-one thousand, five hundred eighty-nine".