52524638 has 4 divisors (see below), whose sum is σ = 78786960. Its totient is φ = 26262318.

The previous prime is 52524623. The next prime is 52524707. The reversal of 52524638 is 83642525.

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

It is a junction number, because it is equal to n+sod(n) for n = 52524598 and 52524607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13131158 + ... + 13131161.

It is an arithmetic number, because the mean of its divisors is an integer number (19696740).

Almost surely, 2^52524638 is an apocalyptic number.

52524638 is a deficient number, since it is larger than the sum of its proper divisors (26262322).

52524638 is a wasteful number, since it uses less digits than its factorization.

52524638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26262321.

The product of its digits is 57600, while the sum is 35.

The square root of 52524638 is about 7247.3883571946. The cubic root of 52524638 is about 374.5021850695.

The spelling of 52524638 in words is "fifty-two million, five hundred twenty-four thousand, six hundred thirty-eight".