51706055210016 has 24 divisors (see below), whose sum is σ = 135728394926544. Its totient is φ = 17235351736640.

The previous prime is 51706055209981. The next prime is 51706055210023. The reversal of 51706055210016 is 61001255060715.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×51706055210016² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269302370790 + ... + 269302370981.

It is an arithmetic number, because the mean of its divisors is an integer number (5655349788606).

Almost surely, 2^{51706055210016} is an apocalyptic number.

It is an amenable number.

51706055210016 is an abundant number, since it is smaller than the sum of its proper divisors (84022339716528).

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

51706055210016 is a wasteful number, since it uses less digits than its factorization.

51706055210016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538604741784 (or 538604741776 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 51706055210016 in words is "fifty-one trillion, seven hundred six billion, fifty-five million, two hundred ten thousand, sixteen".