50555 has 4 divisors (see below), whose sum is σ = 60672.
Its totient is φ = 40440.
The previous prime is 50551. The next prime is 50581. The reversal of 50555 is 55505.
Subtracting 50555 from its reverse (55505), we obtain a triangular number (4950 = T99).
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 50555 - 22 = 50551 is a prime.
It is a Duffinian number.
50555 is a modest number, since divided by 555 gives 50 as remainder.
It is a nialpdrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (50551) 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, 5051 + ... + 5060.
It is an arithmetic number, because the mean of its divisors is an integer number (15168).
250555 is an apocalyptic number.
50555 is a deficient number, since it is larger than the sum of its proper divisors (10117).
50555 is a wasteful number, since it uses less digits than its factorization.
50555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10116.
The product of its (nonzero) digits is 625, while the sum is 20.
The square root of 50555 is about 224.8443906349.
The cubic root of 50555 is about 36.9761228952.
The spelling of 50555 in words is "fifty thousand, five hundred fifty-five".