49825139 has 8 divisors (see below), whose sum is σ = 61323360. Its totient is φ = 39422016.

The previous prime is 49825129. The next prime is 49825151. The reversal of 49825139 is 93152894.

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 49825139 - 2⁸ = 49824883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49825096 and 49825105.

It is not an unprimeable number, because it can be changed into a prime (49825129) 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, 273674 + ... + 273855.

It is an arithmetic number, because the mean of its divisors is an integer number (7665420).

Almost surely, 2^49825139 is an apocalyptic number.

49825139 is a deficient number, since it is larger than the sum of its proper divisors (11498221).

49825139 is a wasteful number, since it uses less digits than its factorization.

49825139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547549.

The product of its digits is 77760, while the sum is 41.

The square root of 49825139 is about 7058.6924426554. The cubic root of 49825139 is about 367.9731859598.

The spelling of 49825139 in words is "forty-nine million, eight hundred twenty-five thousand, one hundred thirty-nine".