49172183 has 4 divisors (see below), whose sum is σ = 51310128. Its totient is φ = 47034240.

The previous prime is 49172173. The next prime is 49172191. The reversal of 49172183 is 38127194.

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

It is a cyclic number.

It is not a de Polignac number, because 49172183 - 2⁶ = 49172119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49172173) 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, 1068938 + ... + 1068983.

It is an arithmetic number, because the mean of its divisors is an integer number (12827532).

Almost surely, 2^49172183 is an apocalyptic number.

49172183 is a deficient number, since it is larger than the sum of its proper divisors (2137945).

49172183 is a wasteful number, since it uses less digits than its factorization.

49172183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137944.

The product of its digits is 12096, while the sum is 35.

The square root of 49172183 is about 7012.2880003605. The cubic root of 49172183 is about 366.3586891404.

The spelling of 49172183 in words is "forty-nine million, one hundred seventy-two thousand, one hundred eighty-three".