52645617 has 24 divisors (see below), whose sum is σ = 80930304. Its totient is φ = 32863104.

The previous prime is 52645609. The next prime is 52645627. The reversal of 52645617 is 71654625.

It is a happy number.

52645617 is a `hidden beast` number, since 5 + 2 + 645 + 6 + 1 + 7 = 666.

It is not a de Polignac number, because 52645617 - 2³ = 52645609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52645627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33348 + ... + 34890.

It is an arithmetic number, because the mean of its divisors is an integer number (3372096).

Almost surely, 2^52645617 is an apocalyptic number.

It is an amenable number.

52645617 is a deficient number, since it is larger than the sum of its proper divisors (28284687).

52645617 is a wasteful number, since it uses less digits than its factorization.

52645617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 52645617 is about 7255.7299426040. The cubic root of 52645617 is about 374.7894925197.

The spelling of 52645617 in words is "fifty-two million, six hundred forty-five thousand, six hundred seventeen".