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55302 = 2313709
BaseRepresentation
bin1101100000000110
32210212020
431200012
53232202
61104010
7320142
oct154006
983766
1055302
1138605
1228006
131c230
1416222
15115bc
hexd806

55302 has 16 divisors (see below), whose sum is σ = 119280. Its totient is φ = 16992.

The previous prime is 55291. The next prime is 55313. The reversal of 55302 is 20355.

It is an interprime number because it is at equal distance from previous prime (55291) and next prime (55313).

It is a super-2 number, since 2×553022 = 6116622408, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

55302 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 432.

It is an arithmetic number, because the mean of its divisors is an integer number (7455).

255302 is an apocalyptic number.

55302 is an abundant number, since it is smaller than the sum of its proper divisors (63978).

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 (59640).

55302 is a wasteful number, since it uses less digits than its factorization.

55302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 55302 is about 235.1637727202. The cubic root of 55302 is about 38.0990031497.

Adding to 55302 its reverse (20355), we get a palindrome (75657).

The spelling of 55302 in words is "fifty-five thousand, three hundred two".

Divisors: 1 2 3 6 13 26 39 78 709 1418 2127 4254 9217 18434 27651 55302