49185771 has 4 divisors (see below), whose sum is σ = 65581032. Its totient is φ = 32790512.

The previous prime is 49185767. The next prime is 49185779. The reversal of 49185771 is 17758194.

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 49185771 - 2² = 49185767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49185779) 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, 8197626 + ... + 8197631.

It is an arithmetic number, because the mean of its divisors is an integer number (16395258).

Almost surely, 2^49185771 is an apocalyptic number.

49185771 is a deficient number, since it is larger than the sum of its proper divisors (16395261).

49185771 is a wasteful number, since it uses less digits than its factorization.

49185771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395260.

The product of its digits is 70560, while the sum is 42.

The square root of 49185771 is about 7013.2568040818. The cubic root of 49185771 is about 366.3924319539.

The spelling of 49185771 in words is "forty-nine million, one hundred eighty-five thousand, seven hundred seventy-one".