51450853884 has 48 divisors (see below), whose sum is σ = 126262886400. Its totient is φ = 16283891520.

The previous prime is 51450853879. The next prime is 51450853891. The reversal of 51450853884 is 48835805415.

It is a super-3 number, since 3×51450853884³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285084 + ... + 1324515.

It is an arithmetic number, because the mean of its divisors is an integer number (2630476800).

Almost surely, 2^51450853884 is an apocalyptic number.

It is an amenable number.

51450853884 is an abundant number, since it is smaller than the sum of its proper divisors (74812032516).

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

51450853884 is a wasteful number, since it uses less digits than its factorization.

51450853884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609690 (or 2609688 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 51450853884 in words is "fifty-one billion, four hundred fifty million, eight hundred fifty-three thousand, eight hundred eighty-four".