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55080585 = 3257174859
BaseRepresentation
bin1101001000011…
…1011010001001
310211122101100200
43102013122021
5103100034320
65244322413
71236114540
oct322073211
9124571320
1055080585
112910094a
1216543409
13b546a81
14745b157
154c80290
hex3487689

55080585 has 24 divisors (see below), whose sum is σ = 109112640. Its totient is φ = 25179552.

The previous prime is 55080581. The next prime is 55080611. The reversal of 55080585 is 58508055.

It is not a de Polignac number, because 55080585 - 22 = 55080581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55080581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87115 + ... + 87744.

It is an arithmetic number, because the mean of its divisors is an integer number (4546360).

Almost surely, 255080585 is an apocalyptic number.

It is an amenable number.

55080585 is a deficient number, since it is larger than the sum of its proper divisors (54032055).

55080585 is a wasteful number, since it uses less digits than its factorization.

55080585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174877 (or 174874 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The square root of 55080585 is about 7421.6295380462. The cubic root of 55080585 is about 380.4808893320.

The spelling of 55080585 in words is "fifty-five million, eighty thousand, five hundred eighty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 174859 524577 874295 1224013 1573731 2622885 3672039 6120065 7868655 11016117 18360195 55080585