50136133 has 2 divisors, whose sum is σ = 50136134. Its totient is φ = 50136132.

The previous prime is 50136131. The next prime is 50136137. The reversal of 50136133 is 33163105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 813604 = 7023^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 50136133 - 2¹ = 50136131 is a prime.

Together with 50136131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50136131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25068066 + 25068067.

It is an arithmetic number, because the mean of its divisors is an integer number (25068067).

Almost surely, 2^50136133 is an apocalyptic number.

It is an amenable number.

50136133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50136133 is an equidigital number, since it uses as much as digits as its factorization.

50136133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 50136133 is about 7080.6873253943. The cubic root of 50136133 is about 368.7371923925.

Adding to 50136133 its reverse (33163105), we get a palindrome (83299238).

The spelling of 50136133 in words is "fifty million, one hundred thirty-six thousand, one hundred thirty-three".