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55050150561 = 3723113975467
BaseRepresentation
bin110011010001001111…
…101010001010100001
312021002112120101211020
4303101033222022201
51400220314304221
641142323440053
73656123362530
oct632117521241
9167075511736
1055050150561
112138a4139aa
12a804226029
13526410a3b3
142943328317
151672e05ac6
hexcd13ea2a1

55050150561 has 16 divisors (see below), whose sum is σ = 87533159424. Its totient is φ = 30089523024.

The previous prime is 55050150539. The next prime is 55050150637. The reversal of 55050150561 is 16505105055.

It is not a de Polignac number, because 55050150561 - 26 = 55050150497 is a prime.

It is a super-2 number, since 2×550501505612 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55050150521) 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 15 ways as a sum of consecutive naturals, for example, 56987251 + ... + 56988216.

It is an arithmetic number, because the mean of its divisors is an integer number (5470822464).

Almost surely, 255050150561 is an apocalyptic number.

It is an amenable number.

55050150561 is a deficient number, since it is larger than the sum of its proper divisors (32483008863).

55050150561 is a wasteful number, since it uses less digits than its factorization.

55050150561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113975500.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55050150561 in words is "fifty-five billion, fifty million, one hundred fifty thousand, five hundred sixty-one".

Divisors: 1 3 7 21 23 69 161 483 113975467 341926401 797828269 2393484807 2621435741 7864307223 18350050187 55050150561