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54055091478 = 239009181913
BaseRepresentation
bin110010010101111011…
…110011110100010110
312011112012012011101010
4302111323303310112
51341201100411403
640455500113050
73622351460613
oct622573636426
9164465164333
1054055091478
1120a19765323
12a586b35786
135135c1013b
14288b10550a
15161589d603
hexc95ef3d16

54055091478 has 8 divisors (see below), whose sum is σ = 108110182968. Its totient is φ = 18018363824.

The previous prime is 54055091423. The next prime is 54055091479. The reversal of 54055091478 is 87419055045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

54055091478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055091479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504590951 + ... + 4504590962.

It is an arithmetic number, because the mean of its divisors is an integer number (13513772871).

Almost surely, 254055091478 is an apocalyptic number.

54055091478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54055091478 is a wasteful number, since it uses less digits than its factorization.

54055091478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009181918.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 54055091478 in words is "fifty-four billion, fifty-five million, ninety-one thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 9009181913 18018363826 27027545739 54055091478