52650172 has 6 divisors (see below), whose sum is σ = 92137808. Its totient is φ = 26325084.

The previous prime is 52650163. The next prime is 52650179. The reversal of 52650172 is 27105625.

It is a super-2 number, since 2×52650172² = 5544081223259168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52650172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52650179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6581268 + ... + 6581275.

Almost surely, 2^52650172 is an apocalyptic number.

It is an amenable number.

52650172 is a deficient number, since it is larger than the sum of its proper divisors (39487636).

52650172 is a wasteful number, since it uses less digits than its factorization.

52650172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162547 (or 13162545 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52650172 is about 7256.0438256670. The cubic root of 52650172 is about 374.8003013771.

Adding to 52650172 its reverse (27105625), we get a palindrome (79755797).

The spelling of 52650172 in words is "fifty-two million, six hundred fifty thousand, one hundred seventy-two".