51900769284 has 432 divisors, whose sum is σ = 163730415744. Its totient is φ = 12457774080.

The previous prime is 51900769267. The next prime is 51900769307. The reversal of 51900769284 is 48296700915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 378837664 + ... + 378837800.

It is an arithmetic number, because the mean of its divisors is an integer number (379005592).

Almost surely, 2^51900769284 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 51900769284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81865207872).

51900769284 is an abundant number, since it is smaller than the sum of its proper divisors (111829646460).

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

51900769284 is a wasteful number, since it uses less digits than its factorization.

51900769284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 51900769284 in words is "fifty-one billion, nine hundred million, seven hundred sixty-nine thousand, two hundred eighty-four".