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550404054 = 23230578003
BaseRepresentation
bin100000110011100…
…111111111010110
31102100200102102100
4200303213333112
52111400412204
6130341022530
716432233354
oct4063477726
91370612370
10550404054
11262763792
121343b4a46
138a052395
14531567d4
15334c2a39
hex20ce7fd6

550404054 has 12 divisors (see below), whose sum is σ = 1192542156. Its totient is φ = 183468012.

The previous prime is 550404011. The next prime is 550404059. The reversal of 550404054 is 450404055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550404059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15288984 + ... + 15289019.

It is an arithmetic number, because the mean of its divisors is an integer number (99378513).

Almost surely, 2550404054 is an apocalyptic number.

550404054 is an abundant number, since it is smaller than the sum of its proper divisors (642138102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550404054 is a wasteful number, since it uses less digits than its factorization.

550404054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30578011 (or 30578008 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 550404054 is about 23460.6916777831. The cubic root of 550404054 is about 819.5218578745.

Subtracting from 550404054 its reverse (450404055), we obtain a palindrome (99999999).

The spelling of 550404054 in words is "five hundred fifty million, four hundred four thousand, fifty-four".

Divisors: 1 2 3 6 9 18 30578003 61156006 91734009 183468018 275202027 550404054