49949731 has 4 divisors (see below), whose sum is σ = 53792032. Its totient is φ = 46107432.

The previous prime is 49949699. The next prime is 49949777. The reversal of 49949731 is 13794994.

49949731 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.

It is a cyclic number.

It is not a de Polignac number, because 49949731 - 2⁵ = 49949699 is a prime.

It is a super-2 number, since 2×49949731² = 4989951253944722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49940731) 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, 1921131 + ... + 1921156.

It is an arithmetic number, because the mean of its divisors is an integer number (13448008).

Almost surely, 2^49949731 is an apocalyptic number.

49949731 is a deficient number, since it is larger than the sum of its proper divisors (3842301).

49949731 is a wasteful number, since it uses less digits than its factorization.

49949731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842300.

The product of its digits is 244944, while the sum is 46.

The square root of 49949731 is about 7067.5123629181. The cubic root of 49949731 is about 368.2796467460.

The spelling of 49949731 in words is "forty-nine million, nine hundred forty-nine thousand, seven hundred thirty-one".