51453103 has 8 divisors (see below), whose sum is σ = 55481888. Its totient is φ = 47434464.

The previous prime is 51453097. The next prime is 51453107. The reversal of 51453103 is 30135415.

It is a happy number.

51453103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51453103 - 2²¹ = 49355951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51453107) 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 7 ways as a sum of consecutive naturals, for example, 10525 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (6935236).

Almost surely, 2^51453103 is an apocalyptic number.

51453103 is a deficient number, since it is larger than the sum of its proper divisors (4028785).

51453103 is a wasteful number, since it uses less digits than its factorization.

51453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51453103 is about 7173.0818341909. The cubic root of 51453103 is about 371.9379762281.

Adding to 51453103 its reverse (30135415), we get a palindrome (81588518).

The spelling of 51453103 in words is "fifty-one million, four hundred fifty-three thousand, one hundred three".