49588139 has 4 divisors (see below), whose sum is σ = 49616280. Its totient is φ = 49560000.

The previous prime is 49588117. The next prime is 49588141. The reversal of 49588139 is 93188594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49588139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49588093 and 49588102.

It is not an unprimeable number, because it can be changed into a prime (49588939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11237 + ... + 15014.

It is an arithmetic number, because the mean of its divisors is an integer number (12404070).

Almost surely, 2^49588139 is an apocalyptic number.

49588139 is a deficient number, since it is larger than the sum of its proper divisors (28141).

49588139 is a wasteful number, since it uses less digits than its factorization.

49588139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28140.

The product of its digits is 311040, while the sum is 47.

The square root of 49588139 is about 7041.8846199011. The cubic root of 49588139 is about 367.3888203951.

The spelling of 49588139 in words is "forty-nine million, five hundred eighty-eight thousand, one hundred thirty-nine".