52245530 has 32 divisors (see below), whose sum is σ = 97802640. Its totient is φ = 20070400.

The previous prime is 52245527. The next prime is 52245541. The reversal of 52245530 is 3554225.

It can be written as a sum of positive squares in 8 ways, for example, as 47348161 + 4897369 = 6881^2 + 2213^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52245530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74180 + ... + 74880.

Almost surely, 2^52245530 is an apocalyptic number.

52245530 is a deficient number, since it is larger than the sum of its proper divisors (45557110).

52245530 is a wasteful number, since it uses less digits than its factorization.

52245530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 52245530 is about 7228.1069444219. The cubic root of 52245530 is about 373.8376572435.

Adding to 52245530 its reverse (3554225), we get a palindrome (55799755).

The spelling of 52245530 in words is "fifty-two million, two hundred forty-five thousand, five hundred thirty".