49571 has 4 divisors (see below), whose sum is σ = 52200. Its totient is φ = 46944.

The previous prime is 49559. The next prime is 49597. The reversal of 49571 is 17594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49571.

It is not an unprimeable number, because it can be changed into a prime (49531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (13050).

2⁴⁹⁵⁷¹ is an apocalyptic number.

49571 is a deficient number, since it is larger than the sum of its proper divisors (2629).

49571 is a wasteful number, since it uses less digits than its factorization.

49571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 1260, while the sum is 26.

The square root of 49571 is about 222.6454580718. The cubic root of 49571 is about 36.7346489019.

The spelling of 49571 in words is "forty-nine thousand, five hundred seventy-one".