49963987 has 2 divisors, whose sum is σ = 49963988. Its totient is φ = 49963986.

The previous prime is 49963931. The next prime is 49963997. The reversal of 49963987 is 78936994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49963987 - 2¹¹ = 49961939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49963997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24981993 + 24981994.

It is an arithmetic number, because the mean of its divisors is an integer number (24981994).

Almost surely, 2^49963987 is an apocalyptic number.

49963987 is a deficient number, since it is larger than the sum of its proper divisors (1).

49963987 is an equidigital number, since it uses as much as digits as its factorization.

49963987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 49963987 is about 7068.5208495130. The cubic root of 49963987 is about 368.3146799359.

The spelling of 49963987 in words is "forty-nine million, nine hundred sixty-three thousand, nine hundred eighty-seven".