51443304434 has 16 divisors (see below), whose sum is σ = 77485161600. Its totient is φ = 25614985440.

The previous prime is 51443304391. The next prime is 51443304439. The reversal of 51443304434 is 43440334415.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51443304394 and 51443304403.

It is not an unprimeable number, because it can be changed into a prime (51443304439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663142 + ... + 1693790.

It is an arithmetic number, because the mean of its divisors is an integer number (4842822600).

Almost surely, 2^51443304434 is an apocalyptic number.

51443304434 is a deficient number, since it is larger than the sum of its proper divisors (26041857166).

51443304434 is a wasteful number, since it uses less digits than its factorization.

51443304434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34105.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 51443304434 its reverse (43440334415), we get a palindrome (94883638849).

The spelling of 51443304434 in words is "fifty-one billion, four hundred forty-three million, three hundred four thousand, four hundred thirty-four".