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55904718715 = 519357932351
BaseRepresentation
bin110100000100001011…
…100100111101111011
312100022002120221221121
4310010023210331323
51403443101444330
641403212050111
74016241161056
oct640413447573
9170262527847
1055904718715
112178883567a
12aa02463937
13536c187a21
1429c4a19a9d
1516c2e5b17a
hexd042e4f7b

55904718715 has 8 divisors (see below), whose sum is σ = 67433257728. Its totient is φ = 44492044800.

The previous prime is 55904718697. The next prime is 55904718721. The reversal of 55904718715 is 51781740955.

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

It is not a de Polignac number, because 55904718715 - 217 = 55904587643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28965211 + ... + 28967140.

It is an arithmetic number, because the mean of its divisors is an integer number (8429157216).

Almost surely, 255904718715 is an apocalyptic number.

55904718715 is a deficient number, since it is larger than the sum of its proper divisors (11528539013).

55904718715 is a wasteful number, since it uses less digits than its factorization.

55904718715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57932549.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 55904718715 in words is "fifty-five billion, nine hundred four million, seven hundred eighteen thousand, seven hundred fifteen".

Divisors: 1 5 193 965 57932351 289661755 11180943743 55904718715