51307053043 has 2 divisors, whose sum is σ = 51307053044. Its totient is φ = 51307053042.

The previous prime is 51307053041. The next prime is 51307053067. The reversal of 51307053043 is 34035070315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51307053043 - 2¹ = 51307053041 is a prime.

Together with 51307053041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51307052996 and 51307053014.

It is not a weakly prime, because it can be changed into another prime (51307053041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25653526521 + 25653526522.

It is an arithmetic number, because the mean of its divisors is an integer number (25653526522).

Almost surely, 2^51307053043 is an apocalyptic number.

51307053043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51307053043 is an equidigital number, since it uses as much as digits as its factorization.

51307053043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The spelling of 51307053043 in words is "fifty-one billion, three hundred seven million, fifty-three thousand, forty-three".