49011171 has 12 divisors (see below), whose sum is σ = 71829576. Its totient is φ = 29703520.

The previous prime is 49011139. The next prime is 49011181. The reversal of 49011171 is 17111094.

It is not a de Polignac number, because 49011171 - 2⁵ = 49011139 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49011181) 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 11 ways as a sum of consecutive naturals, for example, 67146 + ... + 67871.

It is an arithmetic number, because the mean of its divisors is an integer number (5985798).

Almost surely, 2^49011171 is an apocalyptic number.

49011171 is a deficient number, since it is larger than the sum of its proper divisors (22818405).

49011171 is a wasteful number, since it uses less digits than its factorization.

49011171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135042 (or 135031 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 24.

The square root of 49011171 is about 7000.7978830988. The cubic root of 49011171 is about 365.9583771234.

The spelling of 49011171 in words is "forty-nine million, eleven thousand, one hundred seventy-one".