49636987 has 8 divisors (see below), whose sum is σ = 52554960. Its totient is φ = 46749600.

The previous prime is 49636973. The next prime is 49636997. The reversal of 49636987 is 78963694.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49636987 - 2¹¹ = 49634939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49636907) 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 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (6569370).

Almost surely, 2^49636987 is an apocalyptic number.

49636987 is a deficient number, since it is larger than the sum of its proper divisors (2917973).

49636987 is a wasteful number, since it uses less digits than its factorization.

49636987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15293.

The product of its digits is 1959552, while the sum is 52.

The square root of 49636987 is about 7045.3521558542. The cubic root of 49636987 is about 367.5094158971.

The spelling of 49636987 in words is "forty-nine million, six hundred thirty-six thousand, nine hundred eighty-seven".