49971171 has 16 divisors (see below), whose sum is σ = 68440320. Its totient is φ = 32419680.

The previous prime is 49971167. The next prime is 49971179. The reversal of 49971171 is 17117994.

It is not a de Polignac number, because 49971171 - 2² = 49971167 is a prime.

It is a super-2 number, since 2×49971171² = 4994235862222482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49971179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16861 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (4277520).

Almost surely, 2^49971171 is an apocalyptic number.

49971171 is a deficient number, since it is larger than the sum of its proper divisors (18469149).

49971171 is a wasteful number, since it uses less digits than its factorization.

49971171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906.

The product of its digits is 15876, while the sum is 39.

The square root of 49971171 is about 7069.0289997991. The cubic root of 49971171 is about 368.3323316221.

The spelling of 49971171 in words is "forty-nine million, nine hundred seventy-one thousand, one hundred seventy-one".