51749801706 has 16 divisors (see below), whose sum is σ = 108946951200. Its totient is φ = 16342042608.

The previous prime is 51749801669. The next prime is 51749801729. The reversal of 51749801706 is 60710894715.

It is a super-2 number, since 2×51749801706² (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, 226972701 + ... + 226972928.

It is an arithmetic number, because the mean of its divisors is an integer number (6809184450).

Almost surely, 2^51749801706 is an apocalyptic number.

51749801706 is an abundant number, since it is smaller than the sum of its proper divisors (57197149494).

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

51749801706 is a wasteful number, since it uses less digits than its factorization.

51749801706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453945653.

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 51749801706 in words is "fifty-one billion, seven hundred forty-nine million, eight hundred one thousand, seven hundred six".