51344434 has 4 divisors (see below), whose sum is σ = 77016654. Its totient is φ = 25672216.

The previous prime is 51344417. The next prime is 51344459. The reversal of 51344434 is 43444315.

51344434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43444315 = 5 ⋅8688863.

It can be written as a sum of positive squares in only one way, i.e., 41641209 + 9703225 = 6453^2 + 3115^2 .

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, 12836107 + ... + 12836110.

Almost surely, 2^51344434 is an apocalyptic number.

51344434 is a deficient number, since it is larger than the sum of its proper divisors (25672220).

51344434 is a wasteful number, since it uses less digits than its factorization.

51344434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25672219.

The product of its digits is 11520, while the sum is 28.

The square root of 51344434 is about 7165.5030528219. The cubic root of 51344434 is about 371.6759472257.

Adding to 51344434 its reverse (43444315), we get a palindrome (94788749).

The spelling of 51344434 in words is "fifty-one million, three hundred forty-four thousand, four hundred thirty-four".