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56289709055 = 511257941811
BaseRepresentation
bin110100011011001000…
…001100101111111111
312101021221000111102002
4310123020030233333
51410240131142210
641505323452515
74031624426636
oct643310145777
9171257014362
1056289709055
1121966089608
12aaab38713b
135400b72468
142a1dbd451d
1516e6b574a5
hexd1b20cbff

56289709055 has 4 divisors (see below), whose sum is σ = 67547650872. Its totient is φ = 45031767240.

The previous prime is 56289709051. The next prime is 56289709067. The reversal of 56289709055 is 55090798265.

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

It is not a de Polignac number, because 56289709055 - 22 = 56289709051 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 (56289709051) 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, 5628970901 + ... + 5628970910.

It is an arithmetic number, because the mean of its divisors is an integer number (16886912718).

Almost surely, 256289709055 is an apocalyptic number.

56289709055 is a deficient number, since it is larger than the sum of its proper divisors (11257941817).

56289709055 is a wasteful number, since it uses less digits than its factorization.

56289709055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257941816.

The product of its (nonzero) digits is 6804000, while the sum is 56.

The spelling of 56289709055 in words is "fifty-six billion, two hundred eighty-nine million, seven hundred nine thousand, fifty-five".

Divisors: 1 5 11257941811 56289709055