50722691 has 2 divisors, whose sum is σ = 50722692. Its totient is φ = 50722690.

The previous prime is 50722673. The next prime is 50722697. The reversal of 50722691 is 19622705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50722691 - 2⁶ = 50722627 is a prime.

It is not a weakly prime, because it can be changed into another prime (50722697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25361345 + 25361346.

It is an arithmetic number, because the mean of its divisors is an integer number (25361346).

Almost surely, 2^50722691 is an apocalyptic number.

50722691 is a deficient number, since it is larger than the sum of its proper divisors (1).

50722691 is an equidigital number, since it uses as much as digits as its factorization.

50722691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 50722691 is about 7121.9864504224. The cubic root of 50722691 is about 370.1696105744.

The spelling of 50722691 in words is "fifty million, seven hundred twenty-two thousand, six hundred ninety-one".