51438412588170 has 32 divisors (see below), whose sum is σ = 123454414458432. Its totient is φ = 13716662884992.

The previous prime is 51438412588151. The next prime is 51438412588201. The reversal of 51438412588170 is 7188521483415.

It is a self number, because there is not a number n which added to its sum of digits gives 51438412588170.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13750267 + ... + 17086446.

It is an arithmetic number, because the mean of its divisors is an integer number (3857950451826).

Almost surely, 2^{51438412588170} is an apocalyptic number.

51438412588170 is an abundant number, since it is smaller than the sum of its proper divisors (72016001870262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51438412588170 is a wasteful number, since it uses less digits than its factorization.

51438412588170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30892326.

The product of its (nonzero) digits is 8601600, while the sum is 57.

The spelling of 51438412588170 in words is "fifty-one trillion, four hundred thirty-eight billion, four hundred twelve million, five hundred eighty-eight thousand, one hundred seventy".