51428303 has 4 divisors (see below), whose sum is σ = 51481920. Its totient is φ = 51374688.

The previous prime is 51428297. The next prime is 51428317. The reversal of 51428303 is 30382415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51428303 - 2²² = 47233999 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 (51421303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25343 + ... + 27296.

It is an arithmetic number, because the mean of its divisors is an integer number (12870480).

Almost surely, 2^51428303 is an apocalyptic number.

51428303 is a deficient number, since it is larger than the sum of its proper divisors (53617).

51428303 is an equidigital number, since it uses as much as digits as its factorization.

51428303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53616.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51428303 is about 7171.3529406940. The cubic root of 51428303 is about 371.8782095432.

The spelling of 51428303 in words is "fifty-one million, four hundred twenty-eight thousand, three hundred three".