50153021 has 2 divisors, whose sum is σ = 50153022. Its totient is φ = 50153020.

The previous prime is 50153003. The next prime is 50153029. The reversal of 50153021 is 12035105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 22221796 = 5285^2 + 4714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50153021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50153029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25076510 + 25076511.

It is an arithmetic number, because the mean of its divisors is an integer number (25076511).

Almost surely, 2^50153021 is an apocalyptic number.

It is an amenable number.

50153021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50153021 is an equidigital number, since it uses as much as digits as its factorization.

50153021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50153021 is about 7081.8797645823. The cubic root of 50153021 is about 368.7785899120.

Adding to 50153021 its reverse (12035105), we get a palindrome (62188126).

The spelling of 50153021 in words is "fifty million, one hundred fifty-three thousand, twenty-one".