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54545454571 is a prime number
BaseRepresentation
bin110010110011001010…
…011001010111101011
312012210100220012002011
4302303022121113223
51343202114021241
641020254220351
73640454466616
oct626312312753
9165710805064
1054545454571
112115053a383
12a6a31b46b7
1351b369ca0a
1428d62ad17d
151643961281
hexcb32995eb

54545454571 has 2 divisors, whose sum is σ = 54545454572. Its totient is φ = 54545454570.

The previous prime is 54545454527. The next prime is 54545454701. The reversal of 54545454571 is 17545454545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54545454571 - 29 = 54545454059 is a prime.

It is a super-2 number, since 2×545454545712 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54545454371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27272727285 + 27272727286.

It is an arithmetic number, because the mean of its divisors is an integer number (27272727286).

Almost surely, 254545454571 is an apocalyptic number.

54545454571 is a deficient number, since it is larger than the sum of its proper divisors (1).

54545454571 is an equidigital number, since it uses as much as digits as its factorization.

54545454571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5600000, while the sum is 49.

The spelling of 54545454571 in words is "fifty-four billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred seventy-one".