Search a number
-
+
550000053 = 3273698293
BaseRepresentation
bin100000110010000…
…101010110110101
31102022220220020100
4200302011112311
52111300000203
6130324224313
716425631461
oct4062052665
91368826210
10550000053
112625081a9
1213423b099
1389c40525
145308d4a1
1533442ea3
hex20c855b5

550000053 has 12 divisors (see below), whose sum is σ = 794648140. Its totient is φ = 366572736.

The previous prime is 550000021. The next prime is 550000091. The reversal of 550000053 is 350000055.

It can be written as a sum of positive squares in 2 ways, for example, as 331167204 + 218832849 = 18198^2 + 14793^2 .

It is not a de Polignac number, because 550000053 - 25 = 550000021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549999990 and 550000035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550002053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62175 + ... + 70467.

Almost surely, 2550000053 is an apocalyptic number.

It is an amenable number.

550000053 is a deficient number, since it is larger than the sum of its proper divisors (244648087).

550000053 is a wasteful number, since it uses less digits than its factorization.

550000053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15668 (or 15665 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 550000053 is about 23452.0799290809. The cubic root of 550000053 is about 819.3212969182.

The spelling of 550000053 in words is "five hundred fifty million, fifty-three", and thus it is an aban number.

Divisors: 1 3 9 7369 8293 22107 24879 66321 74637 61111117 183333351 550000053