52500645 has 48 divisors (see below), whose sum is σ = 94228992. Its totient is φ = 27025920.

The previous prime is 52500611. The next prime is 52500647. The reversal of 52500645 is 54600525.

It is not a de Polignac number, because 52500645 - 2⁷ = 52500517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217725 + ... + 217965.

It is an arithmetic number, because the mean of its divisors is an integer number (1963104).

Almost surely, 2^52500645 is an apocalyptic number.

It is an amenable number.

52500645 is a deficient number, since it is larger than the sum of its proper divisors (41728347).

52500645 is a wasteful number, since it uses less digits than its factorization.

52500645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52500645 is about 7245.7328821866. The cubic root of 52500645 is about 374.4451527904.

The spelling of 52500645 in words is "fifty-two million, five hundred thousand, six hundred forty-five".