55601 has 12 divisors (see below), whose sum is σ = 70272. Its totient is φ = 43056.
The previous prime is 55589. The next prime is 55603. The reversal of 55601 is 10655.
55601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 55601 - 210 = 54577 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 55601.
It is not an unprimeable number, because it can be changed into a prime (55603) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1160 + ... + 1206.
It is an arithmetic number, because the mean of its divisors is an integer number (5856).
255601 is an apocalyptic number.
It is an amenable number.
55601 is a deficient number, since it is larger than the sum of its proper divisors (14671).
55601 is a wasteful number, since it uses less digits than its factorization.
55601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 17.
The square root of 55601 is about 235.7986429138. The cubic root of 55601 is about 38.1675427634.
It can be divided in two parts, 55 and 601, that added together give a palindrome (656).
The spelling of 55601 in words is "fifty-five thousand, six hundred one".
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