55050 has 24 divisors (see below), whose sum is σ = 136896. Its totient is φ = 14640.
The previous prime is 55049. The next prime is 55051. The reversal of 55050 is 5055.
55050 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (55049) and next prime (55051).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is not an unprimeable number, because it can be changed into a prime (55051) 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, 34 + ... + 333.
It is an arithmetic number, because the mean of its divisors is an integer number (5704).
255050 is an apocalyptic number.
55050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 55050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68448).
55050 is an abundant number, since it is smaller than the sum of its proper divisors (81846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55050 is a wasteful number, since it uses less digits than its factorization.
55050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382 (or 377 counting only the distinct ones).
The product of its (nonzero) digits is 125, while the sum is 15.
The square root of 55050 is about 234.6273641330. The cubic root of 55050 is about 38.0410452156.
The spelling of 55050 in words is "fifty-five thousand, fifty".
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