52206651 has 12 divisors (see below), whose sum is σ = 86182512. Its totient is φ = 29832336.

The previous prime is 52206647. The next prime is 52206659. The reversal of 52206651 is 15660225.

52206651 is a `hidden beast` number, since 5 + 2 + 2 + 0 + 6 + 651 = 666.

It is not a de Polignac number, because 52206651 - 2² = 52206647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52206659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414276 + ... + 414401.

It is an arithmetic number, because the mean of its divisors is an integer number (7181876).

Almost surely, 2^52206651 is an apocalyptic number.

52206651 is a deficient number, since it is larger than the sum of its proper divisors (33975861).

52206651 is a wasteful number, since it uses less digits than its factorization.

52206651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828690 (or 828687 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52206651 is about 7225.4170121869. The cubic root of 52206651 is about 373.7449026348.

Adding to 52206651 its reverse (15660225), we get a palindrome (67866876).

The spelling of 52206651 in words is "fifty-two million, two hundred six thousand, six hundred fifty-one".