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55590386 = 227795193
BaseRepresentation
bin1101010000001…
…1110111110010
310212121021200012
43110003313302
5103212343021
65303254522
71243340045
oct324036762
9125537605
1055590386
1129419975
121674a442
13b694b27
147550c5c
154d3135b
hex3503df2

55590386 has 4 divisors (see below), whose sum is σ = 83385582. Its totient is φ = 27795192.

The previous prime is 55590377. The next prime is 55590389. The reversal of 55590386 is 68309555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54302161 + 1288225 = 7369^2 + 1135^2 .

It is not an unprimeable number, because it can be changed into a prime (55590389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13897595 + ... + 13897598.

Almost surely, 255590386 is an apocalyptic number.

55590386 is a deficient number, since it is larger than the sum of its proper divisors (27795196).

55590386 is a wasteful number, since it uses less digits than its factorization.

55590386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27795195.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 55590386 is about 7455.8960561424. The cubic root of 55590386 is about 381.6511393372.

The spelling of 55590386 in words is "fifty-five million, five hundred ninety thousand, three hundred eighty-six".

Divisors: 1 2 27795193 55590386