49787659 has 2 divisors, whose sum is σ = 49787660. Its totient is φ = 49787658.

The previous prime is 49787641. The next prime is 49787669. The reversal of 49787659 is 95678794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49787659 - 2⁷ = 49787531 is a prime.

It is not a weakly prime, because it can be changed into another prime (49787629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24893829 + 24893830.

It is an arithmetic number, because the mean of its divisors is an integer number (24893830).

Almost surely, 2^49787659 is an apocalyptic number.

49787659 is a deficient number, since it is larger than the sum of its proper divisors (1).

49787659 is an equidigital number, since it uses as much as digits as its factorization.

49787659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 49787659 is about 7056.0370605603. The cubic root of 49787659 is about 367.8808959037.

The spelling of 49787659 in words is "forty-nine million, seven hundred eighty-seven thousand, six hundred fifty-nine".