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85055 = 517011
BaseRepresentation
bin10100110000111111
311022200012
4110300333
510210210
61453435
7502655
oct246077
9138605
1085055
11589a3
124127b
132c939
1422dd5
151a305
hex14c3f

85055 has 4 divisors (see below), whose sum is σ = 102072. Its totient is φ = 68040.

The previous prime is 85049. The next prime is 85061. The reversal of 85055 is 55058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55058 = 227529.

It is an interprime number because it is at equal distance from previous prime (85049) and next prime (85061).

It is not a de Polignac number, because 85055 - 26 = 84991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85055.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 85055.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8501 + ... + 8510.

It is an arithmetic number, because the mean of its divisors is an integer number (25518).

285055 is an apocalyptic number.

85055 is a deficient number, since it is larger than the sum of its proper divisors (17017).

85055 is a wasteful number, since it uses less digits than its factorization.

85055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 85055 is about 291.6419037107. The cubic root of 85055 is about 43.9777780350.

Adding to 85055 its sum of digits (23), we get a triangular number (85078 = T412).

The spelling of 85055 in words is "eighty-five thousand, fifty-five".

Divisors: 1 5 17011 85055