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54137305571 = 79685282349
BaseRepresentation
bin110010011010110101…
…011011100111100011
312011201220220001220112
4302122311123213203
51341333122234241
640511554201535
73624400335056
oct623265334743
9164656801815
1054137305571
1120a61108a58
12a5aa5832ab
135149c6722b
142897dc6a9d
15161cbdd1eb
hexc9ad5b9e3

54137305571 has 4 divisors (see below), whose sum is σ = 54822588000. Its totient is φ = 53452023144.

The previous prime is 54137305561. The next prime is 54137305633. The reversal of 54137305571 is 17550373145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54137305571 - 26 = 54137305507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54137305561) 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, 342641096 + ... + 342641253.

It is an arithmetic number, because the mean of its divisors is an integer number (13705647000).

Almost surely, 254137305571 is an apocalyptic number.

54137305571 is a deficient number, since it is larger than the sum of its proper divisors (685282429).

54137305571 is an equidigital number, since it uses as much as digits as its factorization.

54137305571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685282428.

The product of its (nonzero) digits is 220500, while the sum is 41.

The spelling of 54137305571 in words is "fifty-four billion, one hundred thirty-seven million, three hundred five thousand, five hundred seventy-one".

Divisors: 1 79 685282349 54137305571