49185687 has 16 divisors (see below), whose sum is σ = 66585600. Its totient is φ = 32292000.

The previous prime is 49185677. The next prime is 49185701. The reversal of 49185687 is 78658194.

It is not a de Polignac number, because 49185687 - 2¹⁵ = 49152919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49185667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81814 + ... + 82412.

It is an arithmetic number, because the mean of its divisors is an integer number (4161600).

Almost surely, 2^49185687 is an apocalyptic number.

49185687 is a deficient number, since it is larger than the sum of its proper divisors (17399913).

49185687 is a wasteful number, since it uses less digits than its factorization.

49185687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its digits is 483840, while the sum is 48.

The square root of 49185687 is about 7013.2508154208. The cubic root of 49185687 is about 366.3922233774.

The spelling of 49185687 in words is "forty-nine million, one hundred eighty-five thousand, six hundred eighty-seven".