49993663 has 2 divisors, whose sum is σ = 49993664. Its totient is φ = 49993662.

The previous prime is 49993633. The next prime is 49993679. The reversal of 49993663 is 36639994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49993663 - 2¹³ = 49985471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49993633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24996831 + 24996832.

It is an arithmetic number, because the mean of its divisors is an integer number (24996832).

Almost surely, 2^49993663 is an apocalyptic number.

49993663 is a deficient number, since it is larger than the sum of its proper divisors (1).

49993663 is an equidigital number, since it uses as much as digits as its factorization.

49993663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 49.

The square root of 49993663 is about 7070.6197040995. The cubic root of 49993663 is about 368.3875854014.

The spelling of 49993663 in words is "forty-nine million, nine hundred ninety-three thousand, six hundred sixty-three".