50481913 has 2 divisors, whose sum is σ = 50481914. Its totient is φ = 50481912.

The previous prime is 50481911. The next prime is 50481967. The reversal of 50481913 is 31918405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41319184 + 9162729 = 6428^2 + 3027^2 .

It is a cyclic number.

It is not a de Polignac number, because 50481913 - 2¹ = 50481911 is a prime.

Together with 50481911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50481911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25240956 + 25240957.

It is an arithmetic number, because the mean of its divisors is an integer number (25240957).

Almost surely, 2^50481913 is an apocalyptic number.

It is an amenable number.

50481913 is a deficient number, since it is larger than the sum of its proper divisors (1).

50481913 is an equidigital number, since it uses as much as digits as its factorization.

50481913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 50481913 is about 7105.0624909286. The cubic root of 50481913 is about 369.5829559654.

The spelling of 50481913 in words is "fifty million, four hundred eighty-one thousand, nine hundred thirteen".