49555 has 16 divisors (see below), whose sum is σ = 69984. Its totient is φ = 33280.

The previous prime is 49549. The next prime is 49559. The reversal of 49555 is 55594.

It is not a de Polignac number, because 49555 - 2³ = 49547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49559) 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 15 ways as a sum of consecutive naturals, for example, 909 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (4374).

2⁴⁹⁵⁵⁵ is an apocalyptic number.

49555 is a deficient number, since it is larger than the sum of its proper divisors (20429).

49555 is a wasteful number, since it uses less digits than its factorization.

49555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86.

The product of its digits is 4500, while the sum is 28.

The square root of 49555 is about 222.6095236058. The cubic root of 49555 is about 36.7306962035.

It can be divided in two parts, 495 and 55, that multiplied together give a square (27225 = 165²).

The spelling of 49555 in words is "forty-nine thousand, five hundred fifty-five".