51717185002 has 16 divisors (see below), whose sum is σ = 88946827200. Its totient is φ = 22092308928.

The previous prime is 51717184943. The next prime is 51717185027. The reversal of 51717185002 is 20058171715.

It is a happy number.

51717185002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6012127 + ... + 6020722.

It is an arithmetic number, because the mean of its divisors is an integer number (5559176700).

Almost surely, 2^51717185002 is an apocalyptic number.

51717185002 is a deficient number, since it is larger than the sum of its proper divisors (37229642198).

51717185002 is a wasteful number, since it uses less digits than its factorization.

51717185002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033165.

The product of its (nonzero) digits is 19600, while the sum is 37.

The spelling of 51717185002 in words is "fifty-one billion, seven hundred seventeen million, one hundred eighty-five thousand, two".