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56331055 = 5116471583
BaseRepresentation
bin1101011011100…
…0101100101111
310220222220200101
43112320230233
5103410043210
65331211531
71252543324
oct326705457
9126886611
1056331055
11298853a0
1216a46ba7
13b893cb1
1476a4b4b
154e2aa3a
hex35b8b2f

56331055 has 16 divisors (see below), whose sum is σ = 73903104. Its totient is φ = 40878880.

The previous prime is 56331053. The next prime is 56331073. The reversal of 56331055 is 55013365.

It is a happy number.

It is not a de Polignac number, because 56331055 - 21 = 56331053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56331053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34794 + ... + 36376.

It is an arithmetic number, because the mean of its divisors is an integer number (4618944).

Almost surely, 256331055 is an apocalyptic number.

56331055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56331055 is a deficient number, since it is larger than the sum of its proper divisors (17572049).

56331055 is a wasteful number, since it uses less digits than its factorization.

56331055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56331055 is about 7505.4017214270. The cubic root of 56331055 is about 383.3386670125.

It can be divided in two parts, 563310 and 55, that added together give a palindrome (563365).

The spelling of 56331055 in words is "fifty-six million, three hundred thirty-one thousand, fifty-five".

Divisors: 1 5 11 55 647 1583 3235 7117 7915 17413 35585 87065 1024201 5121005 11266211 56331055