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55223511532255 = 5118191122581351
BaseRepresentation
bin11001000111001101110011…
…10010011100001011011111
321020112022112110122122222101
430203212321302130023133
524214240222423013010
6313241155253425531
714426524045024453
oct1443467162341337
9236468473578871
1055223511532255
1116661183649a40
12623a82a33b2a7
1324a7729b57771
14d8cb91878663
1565b7549aa73a
hex3239b9c9c2df

55223511532255 has 16 divisors (see below), whose sum is σ = 72301423362048. Its totient is φ = 40157650260000.

The previous prime is 55223511532253. The next prime is 55223511532313.

55223511532255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55223511532255 - 21 = 55223511532253 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 (55223511532253) 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, 60840171 + ... + 61741180.

It is an arithmetic number, because the mean of its divisors is an integer number (4518838960128).

Almost surely, 255223511532255 is an apocalyptic number.

55223511532255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55223511532255 is a deficient number, since it is larger than the sum of its proper divisors (17077911829793).

55223511532255 is a wasteful number, since it uses less digits than its factorization.

55223511532255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122589558.

The product of its digits is 2250000, while the sum is 46.

The spelling of 55223511532255 in words is "fifty-five trillion, two hundred twenty-three billion, five hundred eleven million, five hundred thirty-two thousand, two hundred fifty-five".

Divisors: 1 5 11 55 8191 40955 90101 450505 122581351 612906755 1348394861 6741974305 1004063846041 5020319230205 11044702306451 55223511532255