50607281 has 2 divisors, whose sum is σ = 50607282. Its totient is φ = 50607280.

The previous prime is 50607229. The next prime is 50607287. The reversal of 50607281 is 18270605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 7376656 = 6575^2 + 2716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50607281 is a prime.

It is a super-2 number, since 2×50607281² = 5122193780425922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50607287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25303640 + 25303641.

It is an arithmetic number, because the mean of its divisors is an integer number (25303641).

Almost surely, 2^50607281 is an apocalyptic number.

It is an amenable number.

50607281 is a deficient number, since it is larger than the sum of its proper divisors (1).

50607281 is an equidigital number, since it uses as much as digits as its factorization.

50607281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 50607281 is about 7113.8794620095. The cubic root of 50607281 is about 369.8886467930. Note that the first 3 decimals are identical.

Adding to 50607281 its reverse (18270605), we get a palindrome (68877886).

The spelling of 50607281 in words is "fifty million, six hundred seven thousand, two hundred eighty-one".