51072887046 has 32 divisors (see below), whose sum is σ = 103043347200. Its totient is φ = 16875171936.

The previous prime is 51072887017. The next prime is 51072887051. The reversal of 51072887046 is 64078827015.

It is a super-2 number, since 2×51072887046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51072886986 and 51072887004.

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, 376725 + ... + 494031.

It is an arithmetic number, because the mean of its divisors is an integer number (3220104600).

Almost surely, 2^51072887046 is an apocalyptic number.

51072887046 is an abundant number, since it is smaller than the sum of its proper divisors (51970460154).

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

51072887046 is a wasteful number, since it uses less digits than its factorization.

51072887046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117948.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 51072887046 in words is "fifty-one billion, seventy-two million, eight hundred eighty-seven thousand, forty-six".