52648520 has 16 divisors (see below), whose sum is σ = 118459260. Its totient is φ = 21059392.

The previous prime is 52648517. The next prime is 52648627. The reversal of 52648520 is 2584625.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 4401604 = 6946^2 + 2098^2 .

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 3 ways as a sum of consecutive naturals, for example, 658067 + ... + 658146.

Almost surely, 2^52648520 is an apocalyptic number.

It is an amenable number.

52648520 is an abundant number, since it is smaller than the sum of its proper divisors (65810740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52648520 is a wasteful number, since it uses less digits than its factorization.

52648520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316224 (or 1316220 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 52648520 is about 7255.9299886369. The cubic root of 52648520 is about 374.7963813103.

The spelling of 52648520 in words is "fifty-two million, six hundred forty-eight thousand, five hundred twenty".