51566370832 has 40 divisors (see below), whose sum is σ = 100988107776. Its totient is φ = 25506101376.

The previous prime is 51566370797. The next prime is 51566370833. The reversal of 51566370832 is 23807366515.

It is not an unprimeable number, because it can be changed into a prime (51566370833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668538 + ... + 741670.

Almost surely, 2^51566370832 is an apocalyptic number.

It is an amenable number.

51566370832 is a deficient number, since it is larger than the sum of its proper divisors (49421736944).

51566370832 is a wasteful number, since it uses less digits than its factorization.

51566370832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73615 (or 73609 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 51566370832 in words is "fifty-one billion, five hundred sixty-six million, three hundred seventy thousand, eight hundred thirty-two".