51007217076 has 48 divisors (see below), whose sum is σ = 132466380480. Its totient is φ = 16973419680.

The previous prime is 51007217059. The next prime is 51007217113. The reversal of 51007217076 is 67071270015.

51007217076 is a `hidden beast` number, since 510 + 0 + 7 + 2 + 1 + 70 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51007217076.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 338895 + ... + 465686.

It is an arithmetic number, because the mean of its divisors is an integer number (2759716260).

Almost surely, 2^51007217076 is an apocalyptic number.

It is an amenable number.

51007217076 is an abundant number, since it is smaller than the sum of its proper divisors (81459163404).

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

51007217076 is a wasteful number, since it uses less digits than its factorization.

51007217076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805181 (or 805173 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 51007217076 in words is "fifty-one billion, seven million, two hundred seventeen thousand, seventy-six".