49956889 has 2 divisors, whose sum is σ = 49956890. Its totient is φ = 49956888.

The previous prime is 49956877. The next prime is 49956917. The reversal of 49956889 is 98865994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49942489 + 14400 = 7067^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 49956889 - 2¹¹ = 49954841 is a prime.

It is not a weakly prime, because it can be changed into another prime (49956859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978444 + 24978445.

It is an arithmetic number, because the mean of its divisors is an integer number (24978445).

Almost surely, 2^49956889 is an apocalyptic number.

It is an amenable number.

49956889 is a deficient number, since it is larger than the sum of its proper divisors (1).

49956889 is an equidigital number, since it uses as much as digits as its factorization.

49956889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 58.

The square root of 49956889 is about 7068.0187464381. The cubic root of 49956889 is about 368.2972378971.

The spelling of 49956889 in words is "forty-nine million, nine hundred fifty-six thousand, eight hundred eighty-nine".