50571649 has 2 divisors, whose sum is σ = 50571650. Its totient is φ = 50571648.

The previous prime is 50571607. The next prime is 50571691. The reversal of 50571649 is 94617505.

It is a balanced prime because it is at equal distance from previous prime (50571607) and next prime (50571691).

It can be written as a sum of positive squares in only one way, i.e., 25321024 + 25250625 = 5032^2 + 5025^2 .

It is a cyclic number.

It is not a de Polignac number, because 50571649 - 2¹⁵ = 50538881 is a prime.

It is not a weakly prime, because it can be changed into another prime (50571049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25285824 + 25285825.

It is an arithmetic number, because the mean of its divisors is an integer number (25285825).

Almost surely, 2^50571649 is an apocalyptic number.

It is an amenable number.

50571649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50571649 is an equidigital number, since it uses as much as digits as its factorization.

50571649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 50571649 is about 7111.3746209857. The cubic root of 50571649 is about 369.8018149744.

The spelling of 50571649 in words is "fifty million, five hundred seventy-one thousand, six hundred forty-nine".