52505532 has 18 divisors (see below), whose sum is σ = 132722408. Its totient is φ = 17501832.

The previous prime is 52505513. The next prime is 52505587. The reversal of 52505532 is 23550525.

52505532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 52505496 and 52505505.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 729208 + ... + 729279.

Almost surely, 2^52505532 is an apocalyptic number.

It is an amenable number.

52505532 is an abundant number, since it is smaller than the sum of its proper divisors (80216876).

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

52505532 is a wasteful number, since it uses less digits than its factorization.

52505532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458497 (or 1458492 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 52505532 is about 7246.0701073064. The cubic root of 52505532 is about 374.4567707854.

The spelling of 52505532 in words is "fifty-two million, five hundred five thousand, five hundred thirty-two".