51884441142 has 32 divisors (see below), whose sum is σ = 104125323744. Its totient is φ = 17235456000.

The previous prime is 51884441131. The next prime is 51884441143. The reversal of 51884441142 is 24114448815.

51884441142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51884441094 and 51884441103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51884441143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5659042 + ... + 5668202.

It is an arithmetic number, because the mean of its divisors is an integer number (3253916367).

Almost surely, 2^51884441142 is an apocalyptic number.

51884441142 is an abundant number, since it is smaller than the sum of its proper divisors (52240882602).

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

51884441142 is a wasteful number, since it uses less digits than its factorization.

51884441142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304.

The product of its digits is 163840, while the sum is 42.

Adding to 51884441142 its reverse (24114448815), we get a palindrome (75998889957).

The spelling of 51884441142 in words is "fifty-one billion, eight hundred eighty-four million, four hundred forty-one thousand, one hundred forty-two".