50440777 has 2 divisors, whose sum is σ = 50440778. Its totient is φ = 50440776.

The previous prime is 50440757. The next prime is 50440781. The reversal of 50440777 is 77704405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 4999696 = 6741^2 + 2236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50440777 is a prime.

It is not a weakly prime, because it can be changed into another prime (50440757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25220388 + 25220389.

It is an arithmetic number, because the mean of its divisors is an integer number (25220389).

Almost surely, 2^50440777 is an apocalyptic number.

It is an amenable number.

50440777 is a deficient number, since it is larger than the sum of its proper divisors (1).

50440777 is an equidigital number, since it uses as much as digits as its factorization.

50440777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 50440777 is about 7102.1670636504. The cubic root of 50440777 is about 369.4825418107.

The spelling of 50440777 in words is "fifty million, four hundred forty thousand, seven hundred seventy-seven".