51058169088 has 72 divisors (see below), whose sum is σ = 136391181696. Its totient is φ = 16956518400.

The previous prime is 51058169033. The next prime is 51058169101. The reversal of 51058169088 is 88096185015.

It is a self number, because there is not a number n which added to its sum of digits gives 51058169088.

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 7 ways as a sum of consecutive naturals, for example, 85468 + ... + 330788.

It is an arithmetic number, because the mean of its divisors is an integer number (1894321968).

Almost surely, 2^51058169088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51058169088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68195590848).

51058169088 is an abundant number, since it is smaller than the sum of its proper divisors (85333012608).

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

51058169088 is a wasteful number, since it uses less digits than its factorization.

51058169088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245611 (or 245597 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 51.

The spelling of 51058169088 in words is "fifty-one billion, fifty-eight million, one hundred sixty-nine thousand, eighty-eight".