51533444334 has 32 divisors (see below), whose sum is σ = 104565404160. Its totient is φ = 16929545472.

The previous prime is 51533444329. The next prime is 51533444359. The reversal of 51533444334 is 43344433515.

It is a junction number, because it is equal to n+sod(n) for n = 51533444292 and 51533444301.

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, 46144 + ... + 324339.

It is an arithmetic number, because the mean of its divisors is an integer number (3267668880).

Almost surely, 2^51533444334 is an apocalyptic number.

51533444334 is an abundant number, since it is smaller than the sum of its proper divisors (53031959826).

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

51533444334 is a wasteful number, since it uses less digits than its factorization.

51533444334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370824.

The product of its digits is 518400, while the sum is 39.

Adding to 51533444334 its reverse (43344433515), we get a palindrome (94877877849).

The spelling of 51533444334 in words is "fifty-one billion, five hundred thirty-three million, four hundred forty-four thousand, three hundred thirty-four".