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54756564523 is a prime number
BaseRepresentation
bin110010111111101111…
…101101111000101011
312020100002010200111021
4302333233231320223
51344120140031043
641053235113311
73645630055543
oct627757557053
9166302120437
1054756564523
1121249720411
12a741a42837
135218346b4b
142916344323
1516572623ed
hexcbfbede2b

54756564523 has 2 divisors, whose sum is σ = 54756564524. Its totient is φ = 54756564522.

The previous prime is 54756564509. The next prime is 54756564529. The reversal of 54756564523 is 32546565745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54756564523 - 25 = 54756564491 is a prime.

It is a super-2 number, since 2×547565645232 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54756564529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27378282261 + 27378282262.

It is an arithmetic number, because the mean of its divisors is an integer number (27378282262).

Almost surely, 254756564523 is an apocalyptic number.

54756564523 is a deficient number, since it is larger than the sum of its proper divisors (1).

54756564523 is an equidigital number, since it uses as much as digits as its factorization.

54756564523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120000, while the sum is 52.

The spelling of 54756564523 in words is "fifty-four billion, seven hundred fifty-six million, five hundred sixty-four thousand, five hundred twenty-three".