49959986 has 8 divisors (see below), whose sum is σ = 74971440. Its totient is φ = 24969508.

The previous prime is 49959983. The next prime is 49960007. The reversal of 49959986 is 68995994.

49959986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×49959986² = 4992000402240392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49959983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (9371430).

Almost surely, 2^49959986 is an apocalyptic number.

49959986 is a deficient number, since it is larger than the sum of its proper divisors (25011454).

49959986 is a wasteful number, since it uses less digits than its factorization.

49959986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488.

The product of its digits is 6298560, while the sum is 59.

The square root of 49959986 is about 7068.2378284831. The cubic root of 49959986 is about 368.3048484122.

The spelling of 49959986 in words is "forty-nine million, nine hundred fifty-nine thousand, nine hundred eighty-six".