50403253 has 2 divisors, whose sum is σ = 50403254. Its totient is φ = 50403252.

The previous prime is 50403239. The next prime is 50403289. The reversal of 50403253 is 35230405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 743044 = 7047^2 + 862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50403253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50403293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25201626 + 25201627.

It is an arithmetic number, because the mean of its divisors is an integer number (25201627).

Almost surely, 2^50403253 is an apocalyptic number.

It is an amenable number.

50403253 is a deficient number, since it is larger than the sum of its proper divisors (1).

50403253 is an equidigital number, since it uses as much as digits as its factorization.

50403253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 50403253 is about 7099.5248432554. The cubic root of 50403253 is about 369.3908970266.

Adding to 50403253 its reverse (35230405), we get a palindrome (85633658).

The spelling of 50403253 in words is "fifty million, four hundred three thousand, two hundred fifty-three".