51857914024 has 96 divisors (see below), whose sum is σ = 121308904800. Its totient is φ = 20657669760.

The previous prime is 51857914019. The next prime is 51857914033. The reversal of 51857914024 is 42041975815.

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 23 ways as a sum of consecutive naturals, for example, 329059 + ... + 460429.

It is an arithmetic number, because the mean of its divisors is an integer number (1263634425).

Almost surely, 2^51857914024 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 51857914024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60654452400).

51857914024 is an abundant number, since it is smaller than the sum of its proper divisors (69450990776).

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

51857914024 is a wasteful number, since it uses less digits than its factorization.

51857914024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131463 (or 131452 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

It can be divided in two parts, 5185791 and 4024, that added together give a palindrome (5189815).

The spelling of 51857914024 in words is "fifty-one billion, eight hundred fifty-seven million, nine hundred fourteen thousand, twenty-four".