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55830550417 is a prime number
BaseRepresentation
bin110011111111110000…
…101001011110010001
312100002221000211011121
4303333300221132101
51403320110103132
641352002242241
74014350564005
oct637760513621
9170087024147
1055830550417
112174a987964
12a9a1656381
1353599b9b65
1429b8c30705
1516bb6aa497
hexcffc29791

55830550417 has 2 divisors, whose sum is σ = 55830550418. Its totient is φ = 55830550416.

The previous prime is 55830550249. The next prime is 55830550421. The reversal of 55830550417 is 71405503855.

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., 55260725776 + 569824641 = 235076^2 + 23871^2 .

It is a cyclic number.

It is not a de Polignac number, because 55830550417 - 219 = 55830026129 is a prime.

It is not a weakly prime, because it can be changed into another prime (55830550487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27915275208 + 27915275209.

It is an arithmetic number, because the mean of its divisors is an integer number (27915275209).

Almost surely, 255830550417 is an apocalyptic number.

It is an amenable number.

55830550417 is a deficient number, since it is larger than the sum of its proper divisors (1).

55830550417 is an equidigital number, since it uses as much as digits as its factorization.

55830550417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 55830550417 in words is "fifty-five billion, eight hundred thirty million, five hundred fifty thousand, four hundred seventeen".