50553133 has 2 divisors, whose sum is σ = 50553134. Its totient is φ = 50553132.

The previous prime is 50553131. The next prime is 50553161. The reversal of 50553133 is 33135505.

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., 42276004 + 8277129 = 6502^2 + 2877^2 .

It is a cyclic number.

It is not a de Polignac number, because 50553133 - 2¹ = 50553131 is a prime.

It is a super-2 number, since 2×50553133² = 5111238512231378, which contains 22 as substring.

Together with 50553131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 50553098 and 50553107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50553131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25276566 + 25276567.

It is an arithmetic number, because the mean of its divisors is an integer number (25276567).

Almost surely, 2^50553133 is an apocalyptic number.

It is an amenable number.

50553133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50553133 is an equidigital number, since it uses as much as digits as its factorization.

50553133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 50553133 is about 7110.0726437920. The cubic root of 50553133 is about 369.7566771262.

Adding to 50553133 its reverse (33135505), we get a palindrome (83688638).

The spelling of 50553133 in words is "fifty million, five hundred fifty-three thousand, one hundred thirty-three".