51883687044 has 216 divisors, whose sum is σ = 161746760448. Its totient is φ = 13957453440.

The previous prime is 51883687033. The next prime is 51883687057. The reversal of 51883687044 is 44078638815.

51883687044 is a `hidden beast` number, since 518 + 8 + 3 + 6 + 87 + 0 + 44 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2010487 + ... + 2036129.

Almost surely, 2^51883687044 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 51883687044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80873380224).

51883687044 is an abundant number, since it is smaller than the sum of its proper divisors (109863073404).

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

51883687044 is a wasteful number, since it uses less digits than its factorization.

51883687044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25735 (or 25723 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 51883687044 in words is "fifty-one billion, eight hundred eighty-three million, six hundred eighty-seven thousand, forty-four".