51553342920822 has 96 divisors (see below), whose sum is σ = 112463264471040. Its totient is φ = 15736046325120.

The previous prime is 51553342920799. The next prime is 51553342920851. The reversal of 51553342920822 is 22802924335515.

51553342920822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51553342920822² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 55877938 + ... + 56793050.

It is an arithmetic number, because the mean of its divisors is an integer number (1171492338240).

Almost surely, 2^{51553342920822} is an apocalyptic number.

51553342920822 is an abundant number, since it is smaller than the sum of its proper divisors (60909921550218).

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

51553342920822 is a wasteful number, since it uses less digits than its factorization.

51553342920822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916026 (or 916007 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 51553342920822 in words is "fifty-one trillion, five hundred fifty-three billion, three hundred forty-two million, nine hundred twenty thousand, eight hundred twenty-two".