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55222459 is a prime number
BaseRepresentation
bin1101001010101…
…0000010111011
310211220120222021
43102222002323
5103114104314
65251335311
71240245265
oct322520273
9124816867
1055222459
11291984a6
12165b1537
13b596516
147496b35
154cac324
hex34aa0bb

55222459 has 2 divisors, whose sum is σ = 55222460. Its totient is φ = 55222458.

The previous prime is 55222423. The next prime is 55222481. The reversal of 55222459 is 95422255.

55222459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55222459 - 215 = 55189691 is a prime.

It is not a weakly prime, because it can be changed into another prime (55223459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611229 + 27611230.

It is an arithmetic number, because the mean of its divisors is an integer number (27611230).

Almost surely, 255222459 is an apocalyptic number.

55222459 is a deficient number, since it is larger than the sum of its proper divisors (1).

55222459 is an equidigital number, since it uses as much as digits as its factorization.

55222459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 34.

The square root of 55222459 is about 7431.1815345879. The cubic root of 55222459 is about 380.8072842266.

The spelling of 55222459 in words is "fifty-five million, two hundred twenty-two thousand, four hundred fifty-nine".