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55822855 = 5111953419
BaseRepresentation
bin1101010011110…
…0101000000111
310220001002120011
43110330220013
5103242312410
65312251051
71245325564
oct324745007
9126032504
1055822855
11295685a0
1216840a87
13b74689a
1475b186b
154d7a18a
hex353ca07

55822855 has 16 divisors (see below), whose sum is σ = 76924800. Its totient is φ = 38460960.

The previous prime is 55822843. The next prime is 55822861.

It is a happy number.

55822855 is nontrivially palindromic in base 10.

55822855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55822855 - 219 = 55298567 is a prime.

It is a super-2 number, since 2×558228552 = 6232382280702050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25665 + ... + 27754.

It is an arithmetic number, because the mean of its divisors is an integer number (4807800).

Almost surely, 255822855 is an apocalyptic number.

55822855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55822855 is a deficient number, since it is larger than the sum of its proper divisors (21101945).

55822855 is a wasteful number, since it uses less digits than its factorization.

55822855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53454.

The product of its digits is 160000, while the sum is 40.

The square root of 55822855 is about 7471.4694003255. The cubic root of 55822855 is about 382.1823982975.

The spelling of 55822855 in words is "fifty-five million, eight hundred twenty-two thousand, eight hundred fifty-five".

Divisors: 1 5 11 19 55 95 209 1045 53419 267095 587609 1014961 2938045 5074805 11164571 55822855