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55676622481 is a prime number
BaseRepresentation
bin110011110110100101…
…011101011010010001
312022201012101110201221
4303312211131122101
51403011203404411
641324423125041
74010501324344
oct636645353221
9168635343657
1055676622481
1121681002597
12a959ba3781
135333b4413c
1429a260245b
1516ace02071
hexcf695d691

55676622481 has 2 divisors, whose sum is σ = 55676622482. Its totient is φ = 55676622480.

The previous prime is 55676622427. The next prime is 55676622517. The reversal of 55676622481 is 18422667655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48640097025 + 7036525456 = 220545^2 + 83884^2 .

It is a cyclic number.

It is not a de Polignac number, because 55676622481 - 213 = 55676614289 is a prime.

It is a super-2 number, since 2×556766224812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55676622401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838311240 + 27838311241.

It is an arithmetic number, because the mean of its divisors is an integer number (27838311241).

Almost surely, 255676622481 is an apocalyptic number.

It is an amenable number.

55676622481 is a deficient number, since it is larger than the sum of its proper divisors (1).

55676622481 is an equidigital number, since it uses as much as digits as its factorization.

55676622481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 55676622481 in words is "fifty-five billion, six hundred seventy-six million, six hundred twenty-two thousand, four hundred eighty-one".