49945183 has 4 divisors (see below), whose sum is σ = 50052600. Its totient is φ = 49837768.

The previous prime is 49945171. The next prime is 49945187. The reversal of 49945183 is 38154994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38154994 = 2 ⋅19077497.

It is a cyclic number.

It is not a de Polignac number, because 49945183 - 2⁵ = 49945151 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 (49945187) 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, 53008 + ... + 53941.

It is an arithmetic number, because the mean of its divisors is an integer number (12513150).

Almost surely, 2^49945183 is an apocalyptic number.

49945183 is a deficient number, since it is larger than the sum of its proper divisors (107417).

49945183 is a wasteful number, since it uses less digits than its factorization.

49945183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107416.

The product of its digits is 155520, while the sum is 43.

The square root of 49945183 is about 7067.1906016465. The cubic root of 49945183 is about 368.2684689302.

The spelling of 49945183 in words is "forty-nine million, nine hundred forty-five thousand, one hundred eighty-three".