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55588801 = 109509989
BaseRepresentation
bin1101010000001…
…1011111000001
310212121012111111
43110003133001
5103212320201
65303243321
71243332322
oct324033701
9125535444
1055588801
1129418764
1216749541
13b6941a8
147550449
154d30b51
hex35037c1

55588801 has 4 divisors (see below), whose sum is σ = 56098900. Its totient is φ = 55078704.

The previous prime is 55588783. The next prime is 55588807. The reversal of 55588801 is 10888555.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16200625 + 39388176 = 4025^2 + 6276^2 .

It is a cyclic number.

It is not a de Polignac number, because 55588801 - 29 = 55588289 is a prime.

It is a super-2 number, since 2×555888012 = 6180229593235202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55588807) 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, 254886 + ... + 255103.

It is an arithmetic number, because the mean of its divisors is an integer number (14024725).

Almost surely, 255588801 is an apocalyptic number.

It is an amenable number.

55588801 is a deficient number, since it is larger than the sum of its proper divisors (510099).

55588801 is a wasteful number, since it uses less digits than its factorization.

55588801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510098.

The product of its (nonzero) digits is 64000, while the sum is 40.

The square root of 55588801 is about 7455.7897636669. The cubic root of 55588801 is about 381.6475120745.

The spelling of 55588801 in words is "fifty-five million, five hundred eighty-eight thousand, eight hundred one".

Divisors: 1 109 509989 55588801