49923949 has 2 divisors, whose sum is σ = 49923950. Its totient is φ = 49923948.

The previous prime is 49923943. The next prime is 49923967. The reversal of 49923949 is 94932994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 8514724 = 6435^2 + 2918^2 .

It is a cyclic number.

It is not a de Polignac number, because 49923949 - 2¹⁹ = 49399661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49923943) 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, 24961974 + 24961975.

It is an arithmetic number, because the mean of its divisors is an integer number (24961975).

Almost surely, 2^49923949 is an apocalyptic number.

It is an amenable number.

49923949 is a deficient number, since it is larger than the sum of its proper divisors (1).

49923949 is an equidigital number, since it uses as much as digits as its factorization.

49923949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 49923949 is about 7065.6881476612. The cubic root of 49923949 is about 368.2162722308.

The spelling of 49923949 in words is "forty-nine million, nine hundred twenty-three thousand, nine hundred forty-nine".