51423164591344 has 40 divisors (see below), whose sum is σ = 122624469413600. Its totient is φ = 20343229947648.

The previous prime is 51423164591327. The next prime is 51423164591387. The reversal of 51423164591344 is 44319546132415.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 51423164591291 and 51423164591300.

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, 17659052319 + ... + 17659055230.

It is an arithmetic number, because the mean of its divisors is an integer number (3065611735340).

Almost surely, 2^{51423164591344} is an apocalyptic number.

It is an amenable number.

51423164591344 is an abundant number, since it is smaller than the sum of its proper divisors (71201304822256).

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

51423164591344 is a wasteful number, since it uses less digits than its factorization.

51423164591344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35318107577 (or 35318107571 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 51423164591344 in words is "fifty-one trillion, four hundred twenty-three billion, one hundred sixty-four million, five hundred ninety-one thousand, three hundred forty-four".