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55075482169 is a prime number
BaseRepresentation
bin110011010010110000…
…010010101000111001
312021011022020101020221
4303102300102220321
51400243310412134
641145030420041
73656551605601
oct632260225071
9167138211227
1055075482169
11213a2745a14
12a810801621
135269439506
14294683dc01
15167525b5b4
hexcd2c12a39

55075482169 has 2 divisors, whose sum is σ = 55075482170. Its totient is φ = 55075482168.

The previous prime is 55075482139. The next prime is 55075482179. The reversal of 55075482169 is 96128457055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53655699769 + 1419782400 = 231637^2 + 37680^2 .

It is a cyclic number.

It is not a de Polignac number, because 55075482169 - 219 = 55074957881 is a prime.

It is a super-2 number, since 2×550754821692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55075482109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27537741084 + 27537741085.

It is an arithmetic number, because the mean of its divisors is an integer number (27537741085).

Almost surely, 255075482169 is an apocalyptic number.

It is an amenable number.

55075482169 is a deficient number, since it is larger than the sum of its proper divisors (1).

55075482169 is an equidigital number, since it uses as much as digits as its factorization.

55075482169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 55075482169 in words is "fifty-five billion, seventy-five million, four hundred eighty-two thousand, one hundred sixty-nine".