51303053 has 4 divisors (see below), whose sum is σ = 52689660. Its totient is φ = 49916448.

The previous prime is 51302989. The next prime is 51303061. The reversal of 51303053 is 35030315.

51303053 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: 35030315 = 5 ⋅7006063.

It can be written as a sum of positive squares in 2 ways, for example, as 19909444 + 31393609 = 4462^2 + 5603^2 .

It is a cyclic number.

It is not a de Polignac number, because 51303053 - 2⁶ = 51302989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51303353) 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 3 ways as a sum of consecutive naturals, for example, 693248 + ... + 693321.

It is an arithmetic number, because the mean of its divisors is an integer number (13172415).

Almost surely, 2^51303053 is an apocalyptic number.

It is an amenable number.

51303053 is a deficient number, since it is larger than the sum of its proper divisors (1386607).

51303053 is a wasteful number, since it uses less digits than its factorization.

51303053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386606.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 51303053 is about 7162.6149554475. The cubic root of 51303053 is about 371.5760697580.

Adding to 51303053 its reverse (35030315), we get a palindrome (86333368).

The spelling of 51303053 in words is "fifty-one million, three hundred three thousand, fifty-three".