Search a number
-
+
55555000541 is a prime number
BaseRepresentation
bin110011101111010101…
…100000100011011101
312022101201112102210122
4303233111200203131
51402234040004131
641304400244325
74004463466415
oct635725404335
9168351472718
1055555000541
1121619393197
12a9253106a5
13531489cbb1
1429903c3645
1516a23cad7b
hexcef5608dd

55555000541 has 2 divisors, whose sum is σ = 55555000542. Its totient is φ = 55555000540.

The previous prime is 55555000531. The next prime is 55555000547. The reversal of 55555000541 is 14500055555.

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., 48011383225 + 7543617316 = 219115^2 + 86854^2 .

It is a cyclic number.

It is not a de Polignac number, because 55555000541 - 26 = 55555000477 is a prime.

It is a super-2 number, since 2×555550005412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55555000547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777500270 + 27777500271.

It is an arithmetic number, because the mean of its divisors is an integer number (27777500271).

Almost surely, 255555000541 is an apocalyptic number.

It is an amenable number.

55555000541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555000541 is an equidigital number, since it uses as much as digits as its factorization.

55555000541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 55555000541 in words is "fifty-five billion, five hundred fifty-five million, five hundred forty-one", and thus it is an aban number.