49993761 has 4 divisors (see below), whose sum is σ = 66658352. Its totient is φ = 33329172.

The previous prime is 49993733. The next prime is 49993817. The reversal of 49993761 is 16739994.

49993761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49993761 - 2⁵ = 49993729 is a prime.

It is a super-2 number, since 2×49993761² = 4998752277850242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49993761.

It is not an unprimeable number, because it can be changed into a prime (49993721) 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, 8332291 + ... + 8332296.

It is an arithmetic number, because the mean of its divisors is an integer number (16664588).

Almost surely, 2^49993761 is an apocalyptic number.

It is an amenable number.

49993761 is a deficient number, since it is larger than the sum of its proper divisors (16664591).

49993761 is a wasteful number, since it uses less digits than its factorization.

49993761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664590.

The product of its digits is 367416, while the sum is 48.

The square root of 49993761 is about 7070.6266341817. The cubic root of 49993761 is about 368.3878261116.

The spelling of 49993761 in words is "forty-nine million, nine hundred ninety-three thousand, seven hundred sixty-one".