51392785972710 has 192 divisors, whose sum is σ = 154527671374272. Its totient is φ = 10842579062784.

The previous prime is 51392785972673. The next prime is 51392785972721. The reversal of 51392785972710 is 1727958729315.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309823954 + ... + 309989786.

It is an arithmetic number, because the mean of its divisors is an integer number (804831621741).

Almost surely, 2^{51392785972710} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51392785972710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77263835687136).

51392785972710 is an abundant number, since it is smaller than the sum of its proper divisors (103134885401562).

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

51392785972710 is a wasteful number, since it uses less digits than its factorization.

51392785972710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182087 (or 182080 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 66.

The spelling of 51392785972710 in words is "fifty-one trillion, three hundred ninety-two billion, seven hundred eighty-five million, nine hundred seventy-two thousand, seven hundred ten".