49933889 has 2 divisors, whose sum is σ = 49933890. Its totient is φ = 49933888.

The previous prime is 49933847. The next prime is 49933903. The reversal of 49933889 is 98833994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 14137600 = 5983^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 49933889 - 2⁸ = 49933633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49933889.

It is not a weakly prime, because it can be changed into another prime (49933789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24966944 + 24966945.

It is an arithmetic number, because the mean of its divisors is an integer number (24966945).

Almost surely, 2^49933889 is an apocalyptic number.

It is an amenable number.

49933889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49933889 is an equidigital number, since it uses as much as digits as its factorization.

49933889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 49933889 is about 7066.3915119387. The cubic root of 49933889 is about 368.2407082442.

The spelling of 49933889 in words is "forty-nine million, nine hundred thirty-three thousand, eight hundred eighty-nine".