51033534032 has 40 divisors (see below), whose sum is σ = 108229088520. Its totient is φ = 23167802880.

The previous prime is 51033534029. The next prime is 51033534109. The reversal of 51033534032 is 23043533015.

It can be written as a sum of positive squares in 4 ways, for example, as 487703056 + 50545830976 = 22084^2 + 224824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51033533986 and 51033534004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998407 + ... + 2023782.

It is an arithmetic number, because the mean of its divisors is an integer number (2705727213).

Almost surely, 2^51033534032 is an apocalyptic number.

51033534032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51033534032 is an abundant number, since it is smaller than the sum of its proper divisors (57195554488).

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

51033534032 is a wasteful number, since it uses less digits than its factorization.

51033534032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022271 (or 4022265 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 51033534032 in words is "fifty-one billion, thirty-three million, five hundred thirty-four thousand, thirty-two".