49564019 has 2 divisors, whose sum is σ = 49564020. Its totient is φ = 49564018.

The previous prime is 49563977. The next prime is 49564037. The reversal of 49564019 is 91046594.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49564019 is a prime.

It is a super-2 number, since 2×49564019² = 4913183958864722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49554019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24782009 + 24782010.

It is an arithmetic number, because the mean of its divisors is an integer number (24782010).

Almost surely, 2^49564019 is an apocalyptic number.

49564019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49564019 is an equidigital number, since it uses as much as digits as its factorization.

49564019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 49564019 is about 7040.1718018810. The cubic root of 49564019 is about 367.3292439476.

The spelling of 49564019 in words is "forty-nine million, five hundred sixty-four thousand, nineteen".