Search a number
-
+
550555000087 is a prime number
BaseRepresentation
bin10000000001011111010…
…00101001110100010111
31221122002010100210212011
420000233220221310113
533010014040000322
61100531012205051
754530160200221
oct10005750516427
91848063323764
10550555000087
111a2541a43304
128a84b909787
133cbbcb8bb01
141c90b545411
15e4c40a7677
hex802fa29d17

550555000087 has 2 divisors, whose sum is σ = 550555000088. Its totient is φ = 550555000086.

The previous prime is 550555000057. The next prime is 550555000117. The reversal of 550555000087 is 780000555055.

It is a balanced prime because it is at equal distance from previous prime (550555000057) and next prime (550555000117).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550555000087 is a prime.

It is a super-2 number, since 2×5505550000872 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550555000057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275277500043 + 275277500044.

It is an arithmetic number, because the mean of its divisors is an integer number (275277500044).

Almost surely, 2550555000087 is an apocalyptic number.

550555000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

550555000087 is an equidigital number, since it uses as much as digits as its factorization.

550555000087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 550555000087 in words is "five hundred fifty billion, five hundred fifty-five million, eighty-seven", and thus it is an aban number.