49772171 has 4 divisors (see below), whose sum is σ = 49792872. Its totient is φ = 49751472.

The previous prime is 49772159. The next prime is 49772183. The reversal of 49772171 is 17127794.

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

It is an interprime number because it is at equal distance from previous prime (49772159) and next prime (49772183).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49772171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49772101) 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 3 ways as a sum of consecutive naturals, for example, 6185 + ... + 11738.

It is an arithmetic number, because the mean of its divisors is an integer number (12448218).

Almost surely, 2^49772171 is an apocalyptic number.

49772171 is a deficient number, since it is larger than the sum of its proper divisors (20701).

49772171 is a wasteful number, since it uses less digits than its factorization.

49772171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20700.

The product of its digits is 24696, while the sum is 38.

The square root of 49772171 is about 7054.9394752896. The cubic root of 49772171 is about 367.8427450155.

The spelling of 49772171 in words is "forty-nine million, seven hundred seventy-two thousand, one hundred seventy-one".