51033433332 has 96 divisors (see below), whose sum is σ = 136612304640. Its totient is φ = 14525061120.

The previous prime is 51033433331. The next prime is 51033433337. The reversal of 51033433332 is 23333433015.

It is a happy number.

It is a super-2 number, since 2×51033433332² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51033433332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51033433331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37496332 + ... + 37497692.

It is an arithmetic number, because the mean of its divisors is an integer number (1423044840).

Almost surely, 2^51033433332 is an apocalyptic number.

It is an amenable number.

51033433332 is an abundant number, since it is smaller than the sum of its proper divisors (85578871308).

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

51033433332 is a wasteful number, since it uses less digits than its factorization.

51033433332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 30.

Adding to 51033433332 its reverse (23333433015), we get a palindrome (74366866347).

The spelling of 51033433332 in words is "fifty-one billion, thirty-three million, four hundred thirty-three thousand, three hundred thirty-two".