49745771 has 4 divisors (see below), whose sum is σ = 50258712. Its totient is φ = 49232832.

The previous prime is 49745767. The next prime is 49745783. The reversal of 49745771 is 17754794.

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 49745771 - 2² = 49745767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49745741) 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, 256325 + ... + 256518.

It is an arithmetic number, because the mean of its divisors is an integer number (12564678).

Almost surely, 2^49745771 is an apocalyptic number.

49745771 is a deficient number, since it is larger than the sum of its proper divisors (512941).

49745771 is an equidigital number, since it uses as much as digits as its factorization.

49745771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512940.

The product of its digits is 246960, while the sum is 44.

The square root of 49745771 is about 7053.0681976002. The cubic root of 49745771 is about 367.7776968453. Note that the first 3 decimals are identical.

The spelling of 49745771 in words is "forty-nine million, seven hundred forty-five thousand, seven hundred seventy-one".