51544430380683 has 12 divisors (see below), whose sum is σ = 74952751114800. Its totient is φ = 34132329736656.

The previous prime is 51544430380679. The next prime is 51544430380691. The reversal of 51544430380683 is 38608303444515.

51544430380683 is a `hidden beast` number, since 5 + 1 + 54 + 4 + 430 + 3 + 80 + 6 + 83 = 666.

It is not a de Polignac number, because 51544430380683 - 2² = 51544430380679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51544430380633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19218652791 + ... + 19218655472.

It is an arithmetic number, because the mean of its divisors is an integer number (6246062592900).

Almost surely, 2^{51544430380683} is an apocalyptic number.

51544430380683 is a deficient number, since it is larger than the sum of its proper divisors (23408320734117).

51544430380683 is a wasteful number, since it uses less digits than its factorization.

51544430380683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38437308418 (or 38437308415 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 51544430380683 in words is "fifty-one trillion, five hundred forty-four billion, four hundred thirty million, three hundred eighty thousand, six hundred eighty-three".