52071248464 has 40 divisors (see below), whose sum is σ = 102787483680. Its totient is φ = 25547491200.

The previous prime is 52071248431. The next prime is 52071248473. The reversal of 52071248464 is 46484217025.

It is a super-2 number, since 2×52071248464² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52071248464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345279 + ... + 472609.

It is an arithmetic number, because the mean of its divisors is an integer number (2569687092).

Almost surely, 2^52071248464 is an apocalyptic number.

It is an amenable number.

52071248464 is a deficient number, since it is larger than the sum of its proper divisors (50716235216).

52071248464 is a wasteful number, since it uses less digits than its factorization.

52071248464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127819 (or 127813 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 52071248464 in words is "fifty-two billion, seventy-one million, two hundred forty-eight thousand, four hundred sixty-four".