Search a number
-
+
550054742857 is a prime number
BaseRepresentation
bin10000000000100011101…
…00010100101101001001
31221120210021001002221121
420000101310110231021
533003003003232412
61100405222035241
754511604112304
oct10002164245511
91846707032847
10550054742857
111a2305620684
128a730278b21
133cb40346909
141c8a0d23b3b
15e4951dd107
hex8011d14b49

550054742857 has 2 divisors, whose sum is σ = 550054742858. Its totient is φ = 550054742856.

The previous prime is 550054742849. The next prime is 550054742879. The reversal of 550054742857 is 758247450055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522185445376 + 27869297481 = 722624^2 + 166941^2 .

It is a cyclic number.

It is not a de Polignac number, because 550054742857 - 23 = 550054742849 is a prime.

It is not a weakly prime, because it can be changed into another prime (550054742357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275027371428 + 275027371429.

It is an arithmetic number, because the mean of its divisors is an integer number (275027371429).

Almost surely, 2550054742857 is an apocalyptic number.

It is an amenable number.

550054742857 is a deficient number, since it is larger than the sum of its proper divisors (1).

550054742857 is an equidigital number, since it uses as much as digits as its factorization.

550054742857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840000, while the sum is 52.

The spelling of 550054742857 in words is "five hundred fifty billion, fifty-four million, seven hundred forty-two thousand, eight hundred fifty-seven".