49811181 has 8 divisors (see below), whose sum is σ = 75902784. Its totient is φ = 28463520.

The previous prime is 49811143. The next prime is 49811189. The reversal of 49811181 is 18111894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49811181 - 2⁹ = 49810669 is a prime.

It is a super-2 number, since 2×49811181² = 4962307505229522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49811189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185960 + ... + 1186001.

It is an arithmetic number, because the mean of its divisors is an integer number (9487848).

Almost surely, 2^49811181 is an apocalyptic number.

It is an amenable number.

49811181 is a deficient number, since it is larger than the sum of its proper divisors (26091603).

49811181 is a wasteful number, since it uses less digits than its factorization.

49811181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371971.

The product of its digits is 2304, while the sum is 33.

The square root of 49811181 is about 7057.7036633738. The cubic root of 49811181 is about 367.9388214501.

The spelling of 49811181 in words is "forty-nine million, eight hundred eleven thousand, one hundred eighty-one".