51705526722 has 16 divisors (see below), whose sum is σ = 103434656832. Its totient is φ = 17231241680.

The previous prime is 51705526711. The next prime is 51705526759. The reversal of 51705526722 is 22762550715.

It is a super-2 number, since 2×51705526722² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954933 + ... + 1007624.

It is an arithmetic number, because the mean of its divisors is an integer number (6464666052).

Almost surely, 2^51705526722 is an apocalyptic number.

51705526722 is an abundant number, since it is smaller than the sum of its proper divisors (51729130110).

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

51705526722 is a wasteful number, since it uses less digits than its factorization.

51705526722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966953.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 51705526722 in words is "fifty-one billion, seven hundred five million, five hundred twenty-six thousand, seven hundred twenty-two".