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55795030813 is a prime number
BaseRepresentation
bin110011111101101001…
…001001101100011101
312100000110012020102201
4303331221021230131
51403232011441223
641344253051501
74013436636214
oct637551115435
9170013166381
1055795030813
1121731927515
12a991786b91
135352531742
1429b422607b
1516b84e0ead
hexcfda49b1d

55795030813 has 2 divisors, whose sum is σ = 55795030814. Its totient is φ = 55795030812.

The previous prime is 55795030807. The next prime is 55795030873. The reversal of 55795030813 is 31803059755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42381221689 + 13413809124 = 205867^2 + 115818^2 .

It is a cyclic number.

It is not a de Polignac number, because 55795030813 - 29 = 55795030301 is a prime.

It is a super-3 number, since 3×557950308133 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55795030873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27897515406 + 27897515407.

It is an arithmetic number, because the mean of its divisors is an integer number (27897515407).

Almost surely, 255795030813 is an apocalyptic number.

It is an amenable number.

55795030813 is a deficient number, since it is larger than the sum of its proper divisors (1).

55795030813 is an equidigital number, since it uses as much as digits as its factorization.

55795030813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 55795030813 in words is "fifty-five billion, seven hundred ninety-five million, thirty thousand, eight hundred thirteen".