52520530 has 16 divisors (see below), whose sum is σ = 94946904. Its totient is φ = 20917120.

The previous prime is 52520527. The next prime is 52520597. The reversal of 52520530 is 3502525.

It can be written as a sum of positive squares in 4 ways, for example, as 41951529 + 10569001 = 6477^2 + 3251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8941 + ... + 13600.

Almost surely, 2^52520530 is an apocalyptic number.

52520530 is a deficient number, since it is larger than the sum of its proper divisors (42426374).

52520530 is a wasteful number, since it uses less digits than its factorization.

52520530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 52520530 is about 7247.1049392154. The cubic root of 52520530 is about 374.4924214288.

The spelling of 52520530 in words is "fifty-two million, five hundred twenty thousand, five hundred thirty".