49966987 has 8 divisors (see below), whose sum is σ = 58498272. Its totient is φ = 41784000.

The previous prime is 49966963. The next prime is 49966993. The reversal of 49966987 is 78966994.

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 49966987 - 2¹¹ = 49964939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49966187) 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, 86764 + ... + 87337.

It is an arithmetic number, because the mean of its divisors is an integer number (7312284).

Almost surely, 2^49966987 is an apocalyptic number.

49966987 is a deficient number, since it is larger than the sum of its proper divisors (8531285).

49966987 is a wasteful number, since it uses less digits than its factorization.

49966987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174149.

The product of its digits is 5878656, while the sum is 58.

The square root of 49966987 is about 7068.7330547984. The cubic root of 49966987 is about 368.3220513915.

The spelling of 49966987 in words is "forty-nine million, nine hundred sixty-six thousand, nine hundred eighty-seven".