52530637 has 4 divisors (see below), whose sum is σ = 52552800. Its totient is φ = 52508476.

The previous prime is 52530619. The next prime is 52530659. The reversal of 52530637 is 73603525.

52530637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 52530637 - 2⁷ = 52530509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52530599 and 52530608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52530437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7033 + ... + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (13138200).

Almost surely, 2^52530637 is an apocalyptic number.

It is an amenable number.

52530637 is a deficient number, since it is larger than the sum of its proper divisors (22163).

52530637 is a wasteful number, since it uses less digits than its factorization.

52530637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 52530637 is about 7247.8022186039. The cubic root of 52530637 is about 374.5164422078.

The spelling of 52530637 in words is "fifty-two million, five hundred thirty thousand, six hundred thirty-seven".