50450557 has 2 divisors, whose sum is σ = 50450558. Its totient is φ = 50450556.

The previous prime is 50450539. The next prime is 50450563. The reversal of 50450557 is 75505405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50395801 + 54756 = 7099^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 50450557 - 2⁷ = 50450429 is a prime.

It is a super-2 number, since 2×50450557² = 5090517403220498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50450597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25225278 + 25225279.

It is an arithmetic number, because the mean of its divisors is an integer number (25225279).

Almost surely, 2^50450557 is an apocalyptic number.

It is an amenable number.

50450557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50450557 is an equidigital number, since it uses as much as digits as its factorization.

50450557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 50450557 is about 7102.8555525225. The cubic root of 50450557 is about 369.5064200163.

The spelling of 50450557 in words is "fifty million, four hundred fifty thousand, five hundred fifty-seven".