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55952 = 2413269
BaseRepresentation
bin1101101010010000
32211202022
431222100
53242302
61111012
7322061
oct155220
984668
1055952
1139046
1228468
131c610
1416568
15118a2
hexda90

55952 has 20 divisors (see below), whose sum is σ = 117180. Its totient is φ = 25728.

The previous prime is 55949. The next prime is 55967. The reversal of 55952 is 25955.

It can be written as a sum of positive squares in 2 ways, for example, as 5776 + 50176 = 76^2 + 224^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 16.

It is an unprimeable 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, 74 + ... + 342.

It is an arithmetic number, because the mean of its divisors is an integer number (5859).

255952 is an apocalyptic number.

55952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58590).

55952 is an abundant number, since it is smaller than the sum of its proper divisors (61228).

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

55952 is a wasteful number, since it uses less digits than its factorization.

55952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 284 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 55952 is about 236.5417510716. The cubic root of 55952 is about 38.2476894955.

The spelling of 55952 in words is "fifty-five thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 269 538 1076 2152 3497 4304 6994 13988 27976 55952