51744217823828 has 48 divisors (see below), whose sum is σ = 96283083286656. Its totient is φ = 24277576202880.

The previous prime is 51744217823827. The next prime is 51744217823843. The reversal of 51744217823828 is 82832871244715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51744217823827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43111598 + ... + 44295578.

It is an arithmetic number, because the mean of its divisors is an integer number (2005897568472).

Almost surely, 2^{51744217823828} is an apocalyptic number.

It is an amenable number.

51744217823828 is a deficient number, since it is larger than the sum of its proper divisors (44538865462828).

51744217823828 is a wasteful number, since it uses less digits than its factorization.

51744217823828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193024 (or 1193022 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 62.

The spelling of 51744217823828 in words is "fifty-one trillion, seven hundred forty-four billion, two hundred seventeen million, eight hundred twenty-three thousand, eight hundred twenty-eight".