49990179 has 4 divisors (see below), whose sum is σ = 66653576. Its totient is φ = 33326784.

The previous prime is 49990147. The next prime is 49990189. The reversal of 49990179 is 97109994.

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

It is not a de Polignac number, because 49990179 - 2⁵ = 49990147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49990139) 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, 8331694 + ... + 8331699.

It is an arithmetic number, because the mean of its divisors is an integer number (16663394).

Almost surely, 2^49990179 is an apocalyptic number.

49990179 is a deficient number, since it is larger than the sum of its proper divisors (16663397).

49990179 is a wasteful number, since it uses less digits than its factorization.

49990179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16663396.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 49990179 is about 7070.3733281914. The cubic root of 49990179 is about 368.3790277024.

The spelling of 49990179 in words is "forty-nine million, nine hundred ninety thousand, one hundred seventy-nine".