51434530203 has 48 divisors (see below), whose sum is σ = 82822694400. Its totient is φ = 27809229312.

The previous prime is 51434530177. The next prime is 51434530207. The reversal of 51434530203 is 30203543415.

It is not a de Polignac number, because 51434530203 - 2⁹ = 51434529691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51434530207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6720523 + ... + 6728171.

It is an arithmetic number, because the mean of its divisors is an integer number (1725472800).

Almost surely, 2^51434530203 is an apocalyptic number.

51434530203 is a deficient number, since it is larger than the sum of its proper divisors (31388164197).

51434530203 is a wasteful number, since it uses less digits than its factorization.

51434530203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584 (or 8565 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 51434530203 in words is "fifty-one billion, four hundred thirty-four million, five hundred thirty thousand, two hundred three".