51326416432303 has 4 divisors (see below), whose sum is σ = 51695671226920. Its totient is φ = 50957161637688.

The previous prime is 51326416432283. The next prime is 51326416432331. The reversal of 51326416432303 is 30323461462315.

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 51326416432303 - 2²⁵ = 51326382877871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51326416432303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326416232303) 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, 184627397100 + ... + 184627397377.

It is an arithmetic number, because the mean of its divisors is an integer number (12923917806730).

Almost surely, 2^{51326416432303} is an apocalyptic number.

51326416432303 is a deficient number, since it is larger than the sum of its proper divisors (369254794617).

51326416432303 is a wasteful number, since it uses less digits than its factorization.

51326416432303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369254794616.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 51326416432303 its reverse (30323461462315), we get a palindrome (81649877894618).

The spelling of 51326416432303 in words is "fifty-one trillion, three hundred twenty-six billion, four hundred sixteen million, four hundred thirty-two thousand, three hundred three".