52471986916 has 6 divisors (see below), whose sum is σ = 91825977110. Its totient is φ = 26235993456.

The previous prime is 52471986913. The next prime is 52471986953. The reversal of 52471986916 is 61968917425.

It can be written as a sum of positive squares in only one way, i.e., 49842348516 + 2629638400 = 223254^2 + 51280^2 .

It is not an unprimeable number, because it can be changed into a prime (52471986913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6558998361 + ... + 6558998368.

Almost surely, 2^52471986916 is an apocalyptic number.

It is an amenable number.

52471986916 is a deficient number, since it is larger than the sum of its proper divisors (39353990194).

52471986916 is a wasteful number, since it uses less digits than its factorization.

52471986916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13117996733 (or 13117996731 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 52471986916 in words is "fifty-two billion, four hundred seventy-one million, nine hundred eighty-six thousand, nine hundred sixteen".