50143133 has 2 divisors, whose sum is σ = 50143134. Its totient is φ = 50143132.

The previous prime is 50143129. The next prime is 50143139. The reversal of 50143133 is 33134105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47914084 + 2229049 = 6922^2 + 1493^2 .

It is a cyclic number.

It is not a de Polignac number, because 50143133 - 2² = 50143129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50143139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071566 + 25071567.

It is an arithmetic number, because the mean of its divisors is an integer number (25071567).

Almost surely, 2^50143133 is an apocalyptic number.

It is an amenable number.

50143133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50143133 is an equidigital number, since it uses as much as digits as its factorization.

50143133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 50143133 is about 7081.1816104376. The cubic root of 50143133 is about 368.7543526059.

Adding to 50143133 its reverse (33134105), we get a palindrome (83277238).

Subtracting from 50143133 its reverse (33134105), we obtain a triangular number (17009028 = T₅₈₃₂).

It can be divided in two parts, 501 and 43133, that added together give a palindrome (43634).

The spelling of 50143133 in words is "fifty million, one hundred forty-three thousand, one hundred thirty-three".