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55588087 = 411355807
BaseRepresentation
bin1101010000001…
…1010011110111
310212121011112001
43110003103313
5103212304322
65303240131
71243330252
oct324032367
9125534461
1055588087
1129418175
1216749047
13b693a79
147550099
154d30827
hex35034f7

55588087 has 4 divisors (see below), whose sum is σ = 56943936. Its totient is φ = 54232240.

The previous prime is 55588069. The next prime is 55588111. The reversal of 55588087 is 78088555.

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

It is a cyclic number.

It is not a de Polignac number, because 55588087 - 223 = 47199479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55588037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677863 + ... + 677944.

It is an arithmetic number, because the mean of its divisors is an integer number (14235984).

Almost surely, 255588087 is an apocalyptic number.

55588087 is a deficient number, since it is larger than the sum of its proper divisors (1355849).

55588087 is a wasteful number, since it uses less digits than its factorization.

55588087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355848.

The product of its (nonzero) digits is 448000, while the sum is 46.

The square root of 55588087 is about 7455.7418812617. The cubic root of 55588087 is about 381.6458780674.

The spelling of 55588087 in words is "fifty-five million, five hundred eighty-eight thousand, eighty-seven".

Divisors: 1 41 1355807 55588087