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55665096457 is a prime number
BaseRepresentation
bin110011110101111001…
…011111011100001001
312022200101200220000011
4303311321133130021
51403000231041312
641323332111521
74010301340645
oct636571373411
9168611626004
1055665096457
112167554a953
12a9561655a1
135331639ac9
1429a0c81c25
1516abdc6da7
hexcf5e5f709

55665096457 has 2 divisors, whose sum is σ = 55665096458. Its totient is φ = 55665096456.

The previous prime is 55665096451. The next prime is 55665096493. The reversal of 55665096457 is 75469056655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30833955216 + 24831141241 = 175596^2 + 157579^2 .

It is a cyclic number.

It is not a de Polignac number, because 55665096457 - 27 = 55665096329 is a prime.

It is a super-2 number, since 2×556650964572 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55665096451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27832548228 + 27832548229.

It is an arithmetic number, because the mean of its divisors is an integer number (27832548229).

Almost surely, 255665096457 is an apocalyptic number.

It is an amenable number.

55665096457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55665096457 is an equidigital number, since it uses as much as digits as its factorization.

55665096457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020000, while the sum is 58.

The spelling of 55665096457 in words is "fifty-five billion, six hundred sixty-five million, ninety-six thousand, four hundred fifty-seven".