49963657 has 2 divisors, whose sum is σ = 49963658. Its totient is φ = 49963656.

The previous prime is 49963631. The next prime is 49963681. The reversal of 49963657 is 75636994.

49963657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33512521 + 16451136 = 5789^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 49963657 - 2¹¹ = 49961609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49963657.

It is not a weakly prime, because it can be changed into another prime (49963687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981828 + 24981829.

It is an arithmetic number, because the mean of its divisors is an integer number (24981829).

Almost surely, 2^49963657 is an apocalyptic number.

It is an amenable number.

49963657 is a deficient number, since it is larger than the sum of its proper divisors (1).

49963657 is an equidigital number, since it uses as much as digits as its factorization.

49963657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The square root of 49963657 is about 7068.4975065427. The cubic root of 49963657 is about 368.3138690578.

The spelling of 49963657 in words is "forty-nine million, nine hundred sixty-three thousand, six hundred fifty-seven".