49577 has 4 divisors (see below), whose sum is σ = 54096. Its totient is φ = 45060.

The previous prime is 49559. The next prime is 49597. The reversal of 49577 is 77594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49577 - 2¹² = 45481 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (49537) 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, 2243 + ... + 2264.

It is an arithmetic number, because the mean of its divisors is an integer number (13524).

2⁴⁹⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

49577 is a deficient number, since it is larger than the sum of its proper divisors (4519).

49577 is a wasteful number, since it uses less digits than its factorization.

49577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518.

The product of its digits is 8820, while the sum is 32.

The square root of 49577 is about 222.6589320014. The cubic root of 49577 is about 36.7361309445.

It can be divided in two parts, 49 and 577, that added together give a palindrome (626).

The spelling of 49577 in words is "forty-nine thousand, five hundred seventy-seven".