49867687 has 4 divisors (see below), whose sum is σ = 50550880. Its totient is φ = 49184496.

The previous prime is 49867673. The next prime is 49867709. The reversal of 49867687 is 78676894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49867687 - 2¹⁵ = 49834919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49867607) 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 in 3 ways as a sum of consecutive naturals, for example, 341487 + ... + 341632.

It is an arithmetic number, because the mean of its divisors is an integer number (12637720).

Almost surely, 2^49867687 is an apocalyptic number.

49867687 is a deficient number, since it is larger than the sum of its proper divisors (683193).

49867687 is an equidigital number, since it uses as much as digits as its factorization.

49867687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683192.

The product of its digits is 4064256, while the sum is 55.

The square root of 49867687 is about 7061.7056721447. The cubic root of 49867687 is about 368.0778992895.

The spelling of 49867687 in words is "forty-nine million, eight hundred sixty-seven thousand, six hundred eighty-seven".