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56088911 = 128343717
BaseRepresentation
bin1101010111110…
…1100101001111
310220112121112002
43111331211033
5103324321121
65322102515
71250514344
oct325754517
9126477462
1056088911
112972a47a
121694aa3b
13b80aa08
1476407cb
154dcde0b
hex357d94f

56088911 has 4 divisors (see below), whose sum is σ = 56133912. Its totient is φ = 56043912.

The previous prime is 56088859. The next prime is 56088913. The reversal of 56088911 is 11988065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11988065 = 52397613.

It is a cyclic number.

It is not a de Polignac number, because 56088911 - 26 = 56088847 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 (56088913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20576 + ... + 23141.

It is an arithmetic number, because the mean of its divisors is an integer number (14033478).

Almost surely, 256088911 is an apocalyptic number.

56088911 is a deficient number, since it is larger than the sum of its proper divisors (45001).

56088911 is a wasteful number, since it uses less digits than its factorization.

56088911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45000.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 56088911 is about 7489.2530335141. The cubic root of 56088911 is about 382.7886064254.

The spelling of 56088911 in words is "fifty-six million, eighty-eight thousand, nine hundred eleven".

Divisors: 1 1283 43717 56088911