49965681 has 8 divisors (see below), whose sum is σ = 67107744. Its totient is φ = 33067040.

The previous prime is 49965679. The next prime is 49965733. The reversal of 49965681 is 18656994.

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 49965681 - 2¹ = 49965679 is a prime.

It is a super-2 number, since 2×49965681² = 4993138555587522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49965681.

It is not an unprimeable number, because it can be changed into a prime (49965481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60375 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (8388468).

Almost surely, 2^49965681 is an apocalyptic number.

It is an amenable number.

49965681 is a deficient number, since it is larger than the sum of its proper divisors (17142063).

49965681 is a wasteful number, since it uses less digits than its factorization.

49965681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121711.

The product of its digits is 466560, while the sum is 48.

The square root of 49965681 is about 7068.6406755472. The cubic root of 49965681 is about 368.3188423874.

The spelling of 49965681 in words is "forty-nine million, nine hundred sixty-five thousand, six hundred eighty-one".