49059581 has 2 divisors, whose sum is σ = 49059582. Its totient is φ = 49059580.

The previous prime is 49059541. The next prime is 49059583. The reversal of 49059581 is 18595094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35295481 + 13764100 = 5941^2 + 3710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49059581 is a prime.

It is a super-2 number, since 2×49059581² = 4813684975791122, which contains 22 as substring.

Together with 49059583, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49059583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24529790 + 24529791.

It is an arithmetic number, because the mean of its divisors is an integer number (24529791).

Almost surely, 2^49059581 is an apocalyptic number.

It is an amenable number.

49059581 is a deficient number, since it is larger than the sum of its proper divisors (1).

49059581 is an equidigital number, since it uses as much as digits as its factorization.

49059581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 49059581 is about 7004.2544928065. The cubic root of 49059581 is about 366.0788273185.

The spelling of 49059581 in words is "forty-nine million, fifty-nine thousand, five hundred eighty-one".