52666515604 has 6 divisors (see below), whose sum is σ = 92166402314. Its totient is φ = 26333257800.

The previous prime is 52666515581. The next prime is 52666515611. The reversal of 52666515604 is 40651566625.

It can be written as a sum of positive squares in only one way, i.e., 30182112900 + 22484402704 = 173730^2 + 149948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6583314447 + ... + 6583314454.

Almost surely, 2^52666515604 is an apocalyptic number.

It is an amenable number.

52666515604 is a deficient number, since it is larger than the sum of its proper divisors (39499886710).

52666515604 is a wasteful number, since it uses less digits than its factorization.

52666515604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166628905 (or 13166628903 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 52666515604 in words is "fifty-two billion, six hundred sixty-six million, five hundred fifteen thousand, six hundred four".