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55405351435 = 574143897907
BaseRepresentation
bin110011100110011010…
…101001001000001011
312022000021221110211011
4303212122221020023
51401432232221220
641241452544351
74000665500560
oct634632511013
9168007843734
1055405351435
1121551970645
12a8a31820b7
1352bc894925
14297858a867
1516941ba65a
hexce66a920b

55405351435 has 32 divisors (see below), whose sum is σ = 79648031232. Its totient is φ = 36203569920.

The previous prime is 55405351367. The next prime is 55405351439. The reversal of 55405351435 is 53415350455.

It is a happy number.

It is not a de Polignac number, because 55405351435 - 219 = 55404827147 is a prime.

It is a super-3 number, since 3×554053514353 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55405351439) 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 31 ways as a sum of consecutive naturals, for example, 387249 + ... + 510658.

It is an arithmetic number, because the mean of its divisors is an integer number (2489000976).

Almost surely, 255405351435 is an apocalyptic number.

55405351435 is a deficient number, since it is larger than the sum of its proper divisors (24242679797).

55405351435 is a wasteful number, since it uses less digits than its factorization.

55405351435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898003.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 55405351435 in words is "fifty-five billion, four hundred five million, three hundred fifty-one thousand, four hundred thirty-five".

Divisors: 1 5 7 35 41 43 205 215 287 301 1435 1505 1763 8815 12341 61705 897907 4489535 6285349 31426745 36814187 38610001 184070935 193050005 257699309 270270007 1288496545 1351350035 1583010041 7915050205 11081070287 55405351435