50361491 has 2 divisors, whose sum is σ = 50361492. Its totient is φ = 50361490.

The previous prime is 50361449. The next prime is 50361503. The reversal of 50361491 is 19416305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50361491 - 2⁶ = 50361427 is a prime.

It is not a weakly prime, because it can be changed into another prime (50361401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25180745 + 25180746.

It is an arithmetic number, because the mean of its divisors is an integer number (25180746).

Almost surely, 2^50361491 is an apocalyptic number.

50361491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50361491 is an equidigital number, since it uses as much as digits as its factorization.

50361491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 50361491 is about 7096.5830510183. The cubic root of 50361491 is about 369.2888482879.

Adding to 50361491 its reverse (19416305), we get a palindrome (69777796).

The spelling of 50361491 in words is "fifty million, three hundred sixty-one thousand, four hundred ninety-one".