52805530 has 8 divisors (see below), whose sum is σ = 95049972. Its totient is φ = 21122208.

The previous prime is 52805521. The next prime is 52805551. The reversal of 52805530 is 3550825.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 1238769 = 7181^2 + 1113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640267 + ... + 2640286.

Almost surely, 2^52805530 is an apocalyptic number.

52805530 is a deficient number, since it is larger than the sum of its proper divisors (42244442).

52805530 is a wasteful number, since it uses less digits than its factorization.

52805530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280560.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 52805530 is about 7266.7413604724. The cubic root of 52805530 is about 375.1685879007.

It can be divided in two parts, 52805 and 530, that added together give a palindrome (53335).

The spelling of 52805530 in words is "fifty-two million, eight hundred five thousand, five hundred thirty".