Search a number
-
+
550005497 is a prime number
BaseRepresentation
bin100000110010000…
…110101011111001
31102022221011200222
4200302012223321
52111300133442
6130324305425
716425653366
oct4062065371
91368834628
10550005497
112625112a8
12134242275
1389c42b52
145309146d
15334448d2
hex20c86af9

550005497 has 2 divisors, whose sum is σ = 550005498. Its totient is φ = 550005496.

The previous prime is 550005473. The next prime is 550005517. The reversal of 550005497 is 794500055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402042601 + 147962896 = 20051^2 + 12164^2 .

It is a cyclic number.

It is not a de Polignac number, because 550005497 - 28 = 550005241 is a prime.

It is not a weakly prime, because it can be changed into another prime (550005427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275002748 + 275002749.

It is an arithmetic number, because the mean of its divisors is an integer number (275002749).

Almost surely, 2550005497 is an apocalyptic number.

It is an amenable number.

550005497 is a deficient number, since it is larger than the sum of its proper divisors (1).

550005497 is an equidigital number, since it uses as much as digits as its factorization.

550005497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 550005497 is about 23452.1959952581. The cubic root of 550005497 is about 819.3240001728.

The spelling of 550005497 in words is "five hundred fifty million, five thousand, four hundred ninety-seven".