51544704424 has 8 divisors (see below), whose sum is σ = 96646320810. Its totient is φ = 25772352208.

The previous prime is 51544704413. The next prime is 51544704437. The reversal of 51544704424 is 42440744515.

It can be written as a sum of positive squares in only one way, i.e., 28476562500 + 23068141924 = 168750^2 + 151882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221544019 + ... + 3221544034.

Almost surely, 2^51544704424 is an apocalyptic number.

It is an amenable number.

51544704424 is a deficient number, since it is larger than the sum of its proper divisors (45101616386).

51544704424 is a wasteful number, since it uses less digits than its factorization.

51544704424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443088059 (or 6443088055 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 40.

The spelling of 51544704424 in words is "fifty-one billion, five hundred forty-four million, seven hundred four thousand, four hundred twenty-four".