50315491 has 2 divisors, whose sum is σ = 50315492. Its totient is φ = 50315490.

The previous prime is 50315479. The next prime is 50315501. The reversal of 50315491 is 19451305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50315491 - 2¹⁷ = 50184419 is a prime.

It is not a weakly prime, because it can be changed into another prime (50315431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25157745 + 25157746.

It is an arithmetic number, because the mean of its divisors is an integer number (25157746).

Almost surely, 2^50315491 is an apocalyptic number.

50315491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50315491 is an equidigital number, since it uses as much as digits as its factorization.

50315491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 50315491 is about 7093.3413142186. The cubic root of 50315491 is about 369.1763783474.

Adding to 50315491 its reverse (19451305), we get a palindrome (69766796).

The spelling of 50315491 in words is "fifty million, three hundred fifteen thousand, four hundred ninety-one".