52640075 has 24 divisors (see below), whose sum is σ = 71513280. Its totient is φ = 38259200.

The previous prime is 52640053. The next prime is 52640083. The reversal of 52640075 is 57004625.

52640075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52640075 - 2²⁰ = 51591499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 23 ways as a sum of consecutive naturals, for example, 10190 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (2979720).

Almost surely, 2^52640075 is an apocalyptic number.

52640075 is a deficient number, since it is larger than the sum of its proper divisors (18873205).

52640075 is a wasteful number, since it uses less digits than its factorization.

52640075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 52640075 is about 7255.3480274898. The cubic root of 52640075 is about 374.7763407046.

The spelling of 52640075 in words is "fifty-two million, six hundred forty thousand, seventy-five".