49931039 has 4 divisors (see below), whose sum is σ = 49947360. Its totient is φ = 49914720.

The previous prime is 49931033. The next prime is 49931053. The reversal of 49931039 is 93013994.

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 49931039 - 2²⁴ = 33153823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49930993 and 49931011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49931033) 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 3 ways as a sum of consecutive naturals, for example, 2042 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (12486840).

Almost surely, 2^49931039 is an apocalyptic number.

49931039 is a deficient number, since it is larger than the sum of its proper divisors (16321).

49931039 is a wasteful number, since it uses less digits than its factorization.

49931039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 49931039 is about 7066.1898502658. The cubic root of 49931039 is about 368.2337022742.

The spelling of 49931039 in words is "forty-nine million, nine hundred thirty-one thousand, thirty-nine".