52504666388 has 6 divisors (see below), whose sum is σ = 91883166186. Its totient is φ = 26252333192.

The previous prime is 52504666327. The next prime is 52504666393. The reversal of 52504666388 is 88366640525.

It can be written as a sum of positive squares in only one way, i.e., 52172041744 + 332624644 = 228412^2 + 18238^2 .

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, 6563083295 + ... + 6563083302.

It is an arithmetic number, because the mean of its divisors is an integer number (15313861031).

Almost surely, 2^52504666388 is an apocalyptic number.

It is an amenable number.

52504666388 is a deficient number, since it is larger than the sum of its proper divisors (39378499798).

52504666388 is a wasteful number, since it uses less digits than its factorization.

52504666388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126166601 (or 13126166599 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 52504666388 in words is "fifty-two billion, five hundred four million, six hundred sixty-six thousand, three hundred eighty-eight".