51322544513436 has 48 divisors (see below), whose sum is σ = 136865113007616. Its totient is φ = 14663049042624.

The previous prime is 51322544513423. The next prime is 51322544513437. The reversal of 51322544513436 is 63431544522315.

51322544513436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51322544513437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8829576 + ... + 13438991.

It is an arithmetic number, because the mean of its divisors is an integer number (2851356520992).

Almost surely, 2^{51322544513436} is an apocalyptic number.

It is an amenable number.

51322544513436 is an abundant number, since it is smaller than the sum of its proper divisors (85542568494180).

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

51322544513436 is a wasteful number, since it uses less digits than its factorization.

51322544513436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22296018 (or 22296016 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

The spelling of 51322544513436 in words is "fifty-one trillion, three hundred twenty-two billion, five hundred forty-four million, five hundred thirteen thousand, four hundred thirty-six".