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55184135631 = 3127643225257
BaseRepresentation
bin110011011001001110…
…110001010111001111
312021102212200112210020
4303121032301113033
51401004114320011
641203511313223
73662341261542
oct633116612717
9167385615706
1055184135631
1121449007969
12a84107b813
135285abc9c1
142957044859
15167ea70006
hexcd93b15cf

55184135631 has 16 divisors (see below), whose sum is σ = 74273869824. Its totient is φ = 36442816704.

The previous prime is 55184135609. The next prime is 55184135653. The reversal of 55184135631 is 13653148155.

It is an interprime number because it is at equal distance from previous prime (55184135609) and next prime (55184135653).

It is not a de Polignac number, because 55184135631 - 215 = 55184102863 is a prime.

It is a super-3 number, since 3×551841356313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55184135231) 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, 132355 + ... + 357611.

It is an arithmetic number, because the mean of its divisors is an integer number (4642116864).

Almost surely, 255184135631 is an apocalyptic number.

55184135631 is a deficient number, since it is larger than the sum of its proper divisors (19089734193).

55184135631 is a wasteful number, since it uses less digits than its factorization.

55184135631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226030.

The product of its digits is 216000, while the sum is 42.

The spelling of 55184135631 in words is "fifty-five billion, one hundred eighty-four million, one hundred thirty-five thousand, six hundred thirty-one".

Divisors: 1 3 127 381 643 1929 81661 225257 244983 675771 28607639 85822917 144840251 434520753 18394711877 55184135631