Search a number
-
+
550010557 is a prime number
BaseRepresentation
bin100000110010000…
…111111010111101
31102022221102122101
4200302013322331
52111300314212
6130324345101
716426004215
oct4062077275
91368842571
10550010557
11262515088
12134245191
1389c45245
1453093245
1533446157
hex20c87ebd

550010557 has 2 divisors, whose sum is σ = 550010558. Its totient is φ = 550010556.

The previous prime is 550010509. The next prime is 550010563. The reversal of 550010557 is 755010055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362293156 + 187717401 = 19034^2 + 13701^2 .

It is a cyclic number.

It is not a de Polignac number, because 550010557 - 27 = 550010429 is a prime.

It is a super-2 number, since 2×5500105572 = 605023225622900498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550010057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275005278 + 275005279.

It is an arithmetic number, because the mean of its divisors is an integer number (275005279).

Almost surely, 2550010557 is an apocalyptic number.

It is an amenable number.

550010557 is a deficient number, since it is larger than the sum of its proper divisors (1).

550010557 is an equidigital number, since it uses as much as digits as its factorization.

550010557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 550010557 is about 23452.3038740334. The cubic root of 550010557 is about 819.3265127336.

The spelling of 550010557 in words is "five hundred fifty million, ten thousand, five hundred fifty-seven".