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54311268437 is a prime number
BaseRepresentation
bin110010100101001101…
…000011000001010101
312012012001020022002122
4302211031003001111
51342212141042222
640541130545325
73631612110326
oct624515030125
9165161208078
1054311268437
1121040327918
12a638898245
13517700623a
1428b314c44d
15162d102a42
hexca5343055

54311268437 has 2 divisors, whose sum is σ = 54311268438. Its totient is φ = 54311268436.

The previous prime is 54311268421. The next prime is 54311268457. The reversal of 54311268437 is 73486211345.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32086123876 + 22225144561 = 179126^2 + 149081^2 .

It is a cyclic number.

It is not a de Polignac number, because 54311268437 - 24 = 54311268421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54311268457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27155634218 + 27155634219.

It is an arithmetic number, because the mean of its divisors is an integer number (27155634219).

Almost surely, 254311268437 is an apocalyptic number.

It is an amenable number.

54311268437 is a deficient number, since it is larger than the sum of its proper divisors (1).

54311268437 is an equidigital number, since it uses as much as digits as its factorization.

54311268437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The spelling of 54311268437 in words is "fifty-four billion, three hundred eleven million, two hundred sixty-eight thousand, four hundred thirty-seven".