49518771 has 4 divisors (see below), whose sum is σ = 66025032. Its totient is φ = 33012512.

The previous prime is 49518727. The next prime is 49518779. The reversal of 49518771 is 17781594.

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 49518771 - 2⁷ = 49518643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49518779) 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, 8253126 + ... + 8253131.

It is an arithmetic number, because the mean of its divisors is an integer number (16506258).

Almost surely, 2^49518771 is an apocalyptic number.

49518771 is a deficient number, since it is larger than the sum of its proper divisors (16506261).

49518771 is a wasteful number, since it uses less digits than its factorization.

49518771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506260.

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

The square root of 49518771 is about 7036.9575101744. The cubic root of 49518771 is about 367.2174291379.

The spelling of 49518771 in words is "forty-nine million, five hundred eighteen thousand, seven hundred seventy-one".