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55026 = 2331019
BaseRepresentation
bin1101011011110010
32210111000
431123302
53230101
61102430
7316266
oct153362
983430
1055026
1138384
1227a16
131c07a
14160a6
1511486
hexd6f2

55026 has 16 divisors (see below), whose sum is σ = 122400. Its totient is φ = 18324.

The previous prime is 55021. The next prime is 55049. The reversal of 55026 is 62055.

It can be divided in two parts, 550 and 26, that added together give a square (576 = 242).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (55021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (7650).

255026 is an apocalyptic number.

55026 is an abundant number, since it is smaller than the sum of its proper divisors (67374).

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 (61200).

55026 is a wasteful number, since it uses less digits than its factorization.

55026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55026 is about 234.5762136279. The cubic root of 55026 is about 38.0355161947.

The spelling of 55026 in words is "fifty-five thousand, twenty-six".

Divisors: 1 2 3 6 9 18 27 54 1019 2038 3057 6114 9171 18342 27513 55026