51544434052 has 6 divisors (see below), whose sum is σ = 90202759598. Its totient is φ = 25772217024.

The previous prime is 51544434043. The next prime is 51544434059. The reversal of 51544434052 is 25043444515.

It can be written as a sum of positive squares in only one way, i.e., 50111508736 + 1432925316 = 223856^2 + 37854^2 .

It is not an unprimeable number, because it can be changed into a prime (51544434059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443054253 + ... + 6443054260.

Almost surely, 2^51544434052 is an apocalyptic number.

It is an amenable number.

51544434052 is a deficient number, since it is larger than the sum of its proper divisors (38658325546).

51544434052 is a wasteful number, since it uses less digits than its factorization.

51544434052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886108517 (or 12886108515 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 51544434052 its reverse (25043444515), we get a palindrome (76587878567).

The spelling of 51544434052 in words is "fifty-one billion, five hundred forty-four million, four hundred thirty-four thousand, fifty-two".