51530543303 has 2 divisors, whose sum is σ = 51530543304. Its totient is φ = 51530543302.

The previous prime is 51530543263. The next prime is 51530543369. The reversal of 51530543303 is 30334503515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51530543303 - 2²⁸ = 51262107847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51530543303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51530543503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25765271651 + 25765271652.

It is an arithmetic number, because the mean of its divisors is an integer number (25765271652).

Almost surely, 2^51530543303 is an apocalyptic number.

51530543303 is a deficient number, since it is larger than the sum of its proper divisors (1).

51530543303 is an equidigital number, since it uses as much as digits as its factorization.

51530543303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 32.

The spelling of 51530543303 in words is "fifty-one billion, five hundred thirty million, five hundred forty-three thousand, three hundred three".