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57503885533 is a prime number
BaseRepresentation
bin110101100011011111…
…111010100011011101
312111102112201001102021
4311203133322203131
51420231443314113
642230015500141
74103666651023
oct654337724335
9174375631367
1057503885533
1122429498346
12b189b27651
13556558b493
142ad7174713
15176854348d
hexd637fa8dd

57503885533 has 2 divisors, whose sum is σ = 57503885534. Its totient is φ = 57503885532.

The previous prime is 57503885531. The next prime is 57503885561. The reversal of 57503885533 is 33558830575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46844974969 + 10658910564 = 216437^2 + 103242^2 .

It is a cyclic number.

It is not a de Polignac number, because 57503885533 - 21 = 57503885531 is a prime.

Together with 57503885531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57503885531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28751942766 + 28751942767.

It is an arithmetic number, because the mean of its divisors is an integer number (28751942767).

Almost surely, 257503885533 is an apocalyptic number.

It is an amenable number.

57503885533 is a deficient number, since it is larger than the sum of its proper divisors (1).

57503885533 is an equidigital number, since it uses as much as digits as its factorization.

57503885533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 57503885533 in words is "fifty-seven billion, five hundred three million, eight hundred eighty-five thousand, five hundred thirty-three".