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55419088 = 2443109739
BaseRepresentation
bin1101001101101…
…0000011010000
310212021120200211
43103122003100
5103141402323
65255453504
71242024454
oct323320320
9125246624
1055419088
11293121aa
1216687294
13b634b7a
147508664
154cea70d
hex34da0d0

55419088 has 40 divisors (see below), whose sum is σ = 111029600. Its totient is φ = 26780544.

The previous prime is 55419083. The next prime is 55419109. The reversal of 55419088 is 88091455.

It is a self number, because there is not a number n which added to its sum of digits gives 55419088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55419083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74623 + ... + 75361.

It is an arithmetic number, because the mean of its divisors is an integer number (2775740).

Almost surely, 255419088 is an apocalyptic number.

It is an amenable number.

55419088 is an abundant number, since it is smaller than the sum of its proper divisors (55610512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55419088 is a wasteful number, since it uses less digits than its factorization.

55419088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 55419088 is about 7444.3997743270. The cubic root of 55419088 is about 381.2587253042.

The spelling of 55419088 in words is "fifty-five million, four hundred nineteen thousand, eighty-eight".

Divisors: 1 2 4 8 16 43 86 109 172 218 344 436 688 739 872 1478 1744 2956 4687 5912 9374 11824 18748 31777 37496 63554 74992 80551 127108 161102 254216 322204 508432 644408 1288816 3463693 6927386 13854772 27709544 55419088