49685687 has 2 divisors, whose sum is σ = 49685688. Its totient is φ = 49685686.

The previous prime is 49685677. The next prime is 49685711. The reversal of 49685687 is 78658694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49685687 - 2¹⁴ = 49669303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49685617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24842843 + 24842844.

It is an arithmetic number, because the mean of its divisors is an integer number (24842844).

Almost surely, 2^49685687 is an apocalyptic number.

49685687 is a deficient number, since it is larger than the sum of its proper divisors (1).

49685687 is an equidigital number, since it uses as much as digits as its factorization.

49685687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 49685687 is about 7048.8074877954. The cubic root of 49685687 is about 367.6295672838.

The spelling of 49685687 in words is "forty-nine million, six hundred eighty-five thousand, six hundred eighty-seven".