51080047 has 2 divisors, whose sum is σ = 51080048. Its totient is φ = 51080046.

The previous prime is 51080041. The next prime is 51080059. The reversal of 51080047 is 74008015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51080047 - 2¹⁹ = 50555759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51080041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25540023 + 25540024.

It is an arithmetic number, because the mean of its divisors is an integer number (25540024).

Almost surely, 2^51080047 is an apocalyptic number.

51080047 is a deficient number, since it is larger than the sum of its proper divisors (1).

51080047 is an equidigital number, since it uses as much as digits as its factorization.

51080047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 51080047 is about 7147.0306421618. The cubic root of 51080047 is about 371.0368942513.

The spelling of 51080047 in words is "fifty-one million, eighty thousand, forty-seven".