49904681 has 2 divisors, whose sum is σ = 49904682. Its totient is φ = 49904680.

The previous prime is 49904651. The next prime is 49904683. The reversal of 49904681 is 18640994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25806400 + 24098281 = 5080^2 + 4909^2 .

It is a cyclic number.

It is not a de Polignac number, because 49904681 - 2¹⁴ = 49888297 is a prime.

It is a super-2 number, since 2×49904681² = 4980954371423522, which contains 22 as substring.

Together with 49904683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49904683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24952340 + 24952341.

It is an arithmetic number, because the mean of its divisors is an integer number (24952341).

Almost surely, 2^49904681 is an apocalyptic number.

It is an amenable number.

49904681 is a deficient number, since it is larger than the sum of its proper divisors (1).

49904681 is an equidigital number, since it uses as much as digits as its factorization.

49904681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 49904681 is about 7064.3245253881. The cubic root of 49904681 is about 368.1688954760.

The spelling of 49904681 in words is "forty-nine million, nine hundred four thousand, six hundred eighty-one".