51344403 has 32 divisors (see below), whose sum is σ = 83255040. Its totient is φ = 27740160.

The previous prime is 51344399. The next prime is 51344411. The reversal of 51344403 is 30444315.

51344403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51344403 - 2² = 51344399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51344003) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 8251 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (2601720).

Almost surely, 2^51344403 is an apocalyptic number.

51344403 is a deficient number, since it is larger than the sum of its proper divisors (31910637).

51344403 is a wasteful number, since it uses less digits than its factorization.

51344403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 51344403 is about 7165.5008896797. The cubic root of 51344403 is about 371.6758724240.

Adding to 51344403 its reverse (30444315), we get a palindrome (81788718).

The spelling of 51344403 in words is "fifty-one million, three hundred forty-four thousand, four hundred three".