49050581 has 2 divisors, whose sum is σ = 49050582. Its totient is φ = 49050580.

The previous prime is 49050577. The next prime is 49050583. The reversal of 49050581 is 18505094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48080356 + 970225 = 6934^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 49050581 - 2² = 49050577 is a prime.

It is a super-2 number, since 2×49050581² = 4811918992875122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 49050583, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49050583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24525290 + 24525291.

It is an arithmetic number, because the mean of its divisors is an integer number (24525291).

Almost surely, 2^49050581 is an apocalyptic number.

It is an amenable number.

49050581 is a deficient number, since it is larger than the sum of its proper divisors (1).

49050581 is an equidigital number, since it uses as much as digits as its factorization.

49050581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 49050581 is about 7003.6119966771. The cubic root of 49050581 is about 366.0564401797.

The spelling of 49050581 in words is "forty-nine million, fifty thousand, five hundred eighty-one".