51700352188 has 6 divisors (see below), whose sum is σ = 90475616336. Its totient is φ = 25850176092.

The previous prime is 51700352183. The next prime is 51700352257. The reversal of 51700352188 is 88125300715.

It is a self number, because there is not a number n which added to its sum of digits gives 51700352188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51700352183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6462544020 + ... + 6462544027.

Almost surely, 2^51700352188 is an apocalyptic number.

It is an amenable number.

51700352188 is a deficient number, since it is larger than the sum of its proper divisors (38775264148).

51700352188 is a wasteful number, since it uses less digits than its factorization.

51700352188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12925088051 (or 12925088049 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 51700352188 in words is "fifty-one billion, seven hundred million, three hundred fifty-two thousand, one hundred eighty-eight".