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55100463569 is a prime number
BaseRepresentation
bin110011010100001111…
…100101100111010001
312021020001020120021222
4303110033211213101
51400321204313234
641151322054425
73660304132634
oct632417454721
9167201216258
1055100463569
11214058588a8
12a81904a415
1352716750c8
142949ca3c1b
15167754342e
hexcd43e59d1

55100463569 has 2 divisors, whose sum is σ = 55100463570. Its totient is φ = 55100463568.

The previous prime is 55100463559. The next prime is 55100463643. The reversal of 55100463569 is 96536400155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53040393025 + 2060070544 = 230305^2 + 45388^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100463569 - 228 = 54832028113 is a prime.

It is a super-2 number, since 2×551004635692 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55100463559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550231784 + 27550231785.

It is an arithmetic number, because the mean of its divisors is an integer number (27550231785).

Almost surely, 255100463569 is an apocalyptic number.

It is an amenable number.

55100463569 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100463569 is an equidigital number, since it uses as much as digits as its factorization.

55100463569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 44.

The spelling of 55100463569 in words is "fifty-five billion, one hundred million, four hundred sixty-three thousand, five hundred sixty-nine".