Search a number
-
+
55048 = 237983
BaseRepresentation
bin1101011100001000
32210111211
431130020
53230143
61102504
7316330
oct153410
983454
1055048
11383a4
1227a34
131c096
14160c0
151149d
hexd708

55048 has 16 divisors (see below), whose sum is σ = 118080. Its totient is φ = 23568.

The previous prime is 55021. The next prime is 55049. The reversal of 55048 is 84055.

It is a happy number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (55049) by changing a digit.

55048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 436 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (7380).

255048 is an apocalyptic number.

It is an amenable number.

55048 is an abundant number, since it is smaller than the sum of its proper divisors (63032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59040).

55048 is a wasteful number, since it uses less digits than its factorization.

55048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55048 is about 234.6231020168. The cubic root of 55048 is about 38.0405845252.

The spelling of 55048 in words is "fifty-five thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 983 1966 3932 6881 7864 13762 27524 55048