52505642666612 has 6 divisors (see below), whose sum is σ = 91884874666578. Its totient is φ = 26252821333304.

The previous prime is 52505642666599. The next prime is 52505642666627. The reversal of 52505642666612 is 21666624650525.

It can be written as a sum of positive squares in only one way, i.e., 36527107462756 + 15978535203856 = 6043766^2 + 3997316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563205333323 + ... + 6563205333330.

It is an arithmetic number, because the mean of its divisors is an integer number (15314145777763).

Almost surely, 2^{52505642666612} is an apocalyptic number.

It is an amenable number.

52505642666612 is a deficient number, since it is larger than the sum of its proper divisors (39379231999966).

52505642666612 is a wasteful number, since it uses less digits than its factorization.

52505642666612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126410666657 (or 13126410666655 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 52505642666612 in words is "fifty-two trillion, five hundred five billion, six hundred forty-two million, six hundred sixty-six thousand, six hundred twelve".