49884581 has 2 divisors, whose sum is σ = 49884582. Its totient is φ = 49884580.

The previous prime is 49884563. The next prime is 49884587. The reversal of 49884581 is 18548894.

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., 49773025 + 111556 = 7055^2 + 334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49884581 is a prime.

It is a super-2 number, since 2×49884581² = 4976942843091122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49884587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24942290 + 24942291.

It is an arithmetic number, because the mean of its divisors is an integer number (24942291).

Almost surely, 2^49884581 is an apocalyptic number.

It is an amenable number.

49884581 is a deficient number, since it is larger than the sum of its proper divisors (1).

49884581 is an equidigital number, since it uses as much as digits as its factorization.

49884581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The square root of 49884581 is about 7062.9017407861. The cubic root of 49884581 is about 368.1194599762.

The spelling of 49884581 in words is "forty-nine million, eight hundred eighty-four thousand, five hundred eighty-one".