50403403 has 2 divisors, whose sum is σ = 50403404. Its totient is φ = 50403402.

The previous prime is 50403341. The next prime is 50403407. The reversal of 50403403 is 30430405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50403403 is a prime.

It is a super-3 number, since 3×50403403³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (50403407) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25201701 + 25201702.

It is an arithmetic number, because the mean of its divisors is an integer number (25201702).

Almost surely, 2^50403403 is an apocalyptic number.

50403403 is a deficient number, since it is larger than the sum of its proper divisors (1).

50403403 is an equidigital number, since it uses as much as digits as its factorization.

50403403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 50403403 is about 7099.5354073348. The cubic root of 50403403 is about 369.3912634618.

Adding to 50403403 its reverse (30430405), we get a palindrome (80833808).

The spelling of 50403403 in words is "fifty million, four hundred three thousand, four hundred three".