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55001055097 is a prime number
BaseRepresentation
bin110011001110010100…
…010111111101111001
312020222010012002111201
4303032110113331321
51400120232230342
641133411254201
73654656153212
oct631624277571
9166863162451
1055001055097
112136473083a
12a7ab8aa361
135256baa921
14293a9c8409
15166d958db7
hexcce517f79

55001055097 has 2 divisors, whose sum is σ = 55001055098. Its totient is φ = 55001055096.

The previous prime is 55001055079. The next prime is 55001055143. The reversal of 55001055097 is 79055010055.

Together with previous prime (55001055079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30808674576 + 24192380521 = 175524^2 + 155539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55001055097 is a prime.

It is not a weakly prime, because it can be changed into another prime (55001053097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500527548 + 27500527549.

It is an arithmetic number, because the mean of its divisors is an integer number (27500527549).

Almost surely, 255001055097 is an apocalyptic number.

It is an amenable number.

55001055097 is a deficient number, since it is larger than the sum of its proper divisors (1).

55001055097 is an equidigital number, since it uses as much as digits as its factorization.

55001055097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39375, while the sum is 37.

The spelling of 55001055097 in words is "fifty-five billion, one million, fifty-five thousand, ninety-seven".