51496387051 has 2 divisors, whose sum is σ = 51496387052. Its totient is φ = 51496387050.

The previous prime is 51496387049. The next prime is 51496387093. The reversal of 51496387051 is 15078369415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51496387051 - 2¹ = 51496387049 is a prime.

Together with 51496387049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51496386986 and 51496387004.

It is not a weakly prime, because it can be changed into another prime (51496387451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25748193525 + 25748193526.

It is an arithmetic number, because the mean of its divisors is an integer number (25748193526).

Almost surely, 2^51496387051 is an apocalyptic number.

51496387051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51496387051 is an equidigital number, since it uses as much as digits as its factorization.

51496387051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 51496387051 in words is "fifty-one billion, four hundred ninety-six million, three hundred eighty-seven thousand, fifty-one".