50253431 has 2 divisors, whose sum is σ = 50253432. Its totient is φ = 50253430.

The previous prime is 50253409. The next prime is 50253517. The reversal of 50253431 is 13435205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50253431 - 2¹⁰ = 50252407 is a prime.

It is a super-2 number, since 2×50253431² = 5050814654543522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50253397 and 50253406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50253631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126715 + 25126716.

It is an arithmetic number, because the mean of its divisors is an integer number (25126716).

Almost surely, 2^50253431 is an apocalyptic number.

50253431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50253431 is an equidigital number, since it uses as much as digits as its factorization.

50253431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50253431 is about 7088.9654393289. The cubic root of 50253431 is about 369.0245330496.

Adding to 50253431 its reverse (13435205), we get a palindrome (63688636).

The spelling of 50253431 in words is "fifty million, two hundred fifty-three thousand, four hundred thirty-one".