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55232628449 is a prime number
BaseRepresentation
bin110011011100000111…
…110000011011100001
312021120020221020102112
4303130013300123201
51401104023102244
641212402525105
73663500411165
oct633407603341
9167506836375
1055232628449
1121473419279
12a855366795
135292b6b08b
14295d668ca5
151683e4d39e
hexcdc1f06e1

55232628449 has 2 divisors, whose sum is σ = 55232628450. Its totient is φ = 55232628448.

The previous prime is 55232628443. The next prime is 55232628481. The reversal of 55232628449 is 94482623255.

55232628449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29578840225 + 25653788224 = 171985^2 + 160168^2 .

It is a cyclic number.

It is not a de Polignac number, because 55232628449 - 212 = 55232624353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55232628397 and 55232628406.

It is not a weakly prime, because it can be changed into another prime (55232628443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616314224 + 27616314225.

It is an arithmetic number, because the mean of its divisors is an integer number (27616314225).

Almost surely, 255232628449 is an apocalyptic number.

It is an amenable number.

55232628449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232628449 is an equidigital number, since it uses as much as digits as its factorization.

55232628449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 50.

The spelling of 55232628449 in words is "fifty-five billion, two hundred thirty-two million, six hundred twenty-eight thousand, four hundred forty-nine".