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87055 = 523757
BaseRepresentation
bin10101010000001111
311102102021
4111100033
510241210
61511011
7511543
oct252017
9142367
1087055
115a451
1242467
1330817
1423a23
151abda
hex1540f

87055 has 8 divisors (see below), whose sum is σ = 109152. Its totient is φ = 66528.

The previous prime is 87049. The next prime is 87071. The reversal of 87055 is 55078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87055 - 27 = 86927 is a prime.

It is a Duffinian number.

87055 is a lucky number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264 + ... + 493.

It is an arithmetic number, because the mean of its divisors is an integer number (13644).

287055 is an apocalyptic number.

87055 is a deficient number, since it is larger than the sum of its proper divisors (22097).

87055 is a wasteful number, since it uses less digits than its factorization.

87055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 87055 is about 295.0508430762. The cubic root of 87055 is about 44.3198117066.

The spelling of 87055 in words is "eighty-seven thousand, fifty-five".

Divisors: 1 5 23 115 757 3785 17411 87055