52651664602 has 32 divisors (see below), whose sum is σ = 81579334032. Its totient is φ = 25474136064.

The previous prime is 52651664479. The next prime is 52651664603. The reversal of 52651664602 is 20646615625.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32414041521 + 20237623081 = 180039^2 + 142259^2 .

It is a super-2 number, since 2×52651664602² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52651664603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3003888 + ... + 3021364.

Almost surely, 2^52651664602 is an apocalyptic number.

52651664602 is a deficient number, since it is larger than the sum of its proper divisors (28927669430).

52651664602 is a wasteful number, since it uses less digits than its factorization.

52651664602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17922.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 52651664602 in words is "fifty-two billion, six hundred fifty-one million, six hundred sixty-four thousand, six hundred two".