49705687 has 2 divisors, whose sum is σ = 49705688. Its totient is φ = 49705686.

The previous prime is 49705651. The next prime is 49705693. The reversal of 49705687 is 78650794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49705687 - 2⁷ = 49705559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49705697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24852843 + 24852844.

It is an arithmetic number, because the mean of its divisors is an integer number (24852844).

Almost surely, 2^49705687 is an apocalyptic number.

49705687 is a deficient number, since it is larger than the sum of its proper divisors (1).

49705687 is an equidigital number, since it uses as much as digits as its factorization.

49705687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 49705687 is about 7050.2260247456. The cubic root of 49705687 is about 367.6788880269.

The spelling of 49705687 in words is "forty-nine million, seven hundred five thousand, six hundred eighty-seven".