50687701 has 2 divisors, whose sum is σ = 50687702. Its totient is φ = 50687700.

The previous prime is 50687633. The next prime is 50687717. The reversal of 50687701 is 10778605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41293476 + 9394225 = 6426^2 + 3065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50687701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50687731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25343850 + 25343851.

It is an arithmetic number, because the mean of its divisors is an integer number (25343851).

Almost surely, 2^50687701 is an apocalyptic number.

It is an amenable number.

50687701 is a deficient number, since it is larger than the sum of its proper divisors (1).

50687701 is an equidigital number, since it uses as much as digits as its factorization.

50687701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 50687701 is about 7119.5295490643. The cubic root of 50687701 is about 370.0844730430.

It can be divided in two parts, 5068 and 7701, that added together give a square (12769 = 113²).

The spelling of 50687701 in words is "fifty million, six hundred eighty-seven thousand, seven hundred one".