51553034332 has 24 divisors (see below), whose sum is σ = 90844583760. Its totient is φ = 25597628160.

The previous prime is 51553034297. The next prime is 51553034339. The reversal of 51553034332 is 23343035515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51553034339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114644 + ... + 1159972.

It is an arithmetic number, because the mean of its divisors is an integer number (3785190990).

Almost surely, 2^51553034332 is an apocalyptic number.

It is an amenable number.

51553034332 is a deficient number, since it is larger than the sum of its proper divisors (39291549428).

51553034332 is a wasteful number, since it uses less digits than its factorization.

51553034332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47301 (or 47299 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 51553034332 its reverse (23343035515), we get a palindrome (74896069847).

The spelling of 51553034332 in words is "fifty-one billion, five hundred fifty-three million, thirty-four thousand, three hundred thirty-two".