49185811 has 4 divisors (see below), whose sum is σ = 52079112. Its totient is φ = 46292512.

The previous prime is 49185797. The next prime is 49185821. The reversal of 49185811 is 11858194.

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 49185811 - 2⁵ = 49185779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49185821) 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, 1446625 + ... + 1446658.

It is an arithmetic number, because the mean of its divisors is an integer number (13019778).

Almost surely, 2^49185811 is an apocalyptic number.

49185811 is a deficient number, since it is larger than the sum of its proper divisors (2893301).

49185811 is a wasteful number, since it uses less digits than its factorization.

49185811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893300.

The product of its digits is 11520, while the sum is 37.

The square root of 49185811 is about 7013.2596558234. The cubic root of 49185811 is about 366.3925312759.

The spelling of 49185811 in words is "forty-nine million, one hundred eighty-five thousand, eight hundred eleven".