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557580553 = 2113263881
BaseRepresentation
bin100001001111000…
…000000100001001
31102212012000201121
4201033000010021
52120220034203
6131154515241
716550233165
oct4117000411
91385160647
10557580553
11266815582
12136895b21
138b695a2a
14540a3ca5
1533e3e0bd
hex213c0109

557580553 has 4 divisors (see below), whose sum is σ = 557846548. Its totient is φ = 557314560.

The previous prime is 557580523. The next prime is 557580563. The reversal of 557580553 is 355085755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10582009 + 546998544 = 3253^2 + 23388^2 .

It is a cyclic number.

It is not a de Polignac number, because 557580553 - 25 = 557580521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557580523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129828 + ... + 134053.

It is an arithmetic number, because the mean of its divisors is an integer number (139461637).

Almost surely, 2557580553 is an apocalyptic number.

It is an amenable number.

557580553 is a deficient number, since it is larger than the sum of its proper divisors (265995).

557580553 is a wasteful number, since it uses less digits than its factorization.

557580553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265994.

The product of its (nonzero) digits is 525000, while the sum is 43.

The square root of 557580553 is about 23613.1436492476. The cubic root of 557580553 is about 823.0682949663.

The spelling of 557580553 in words is "five hundred fifty-seven million, five hundred eighty thousand, five hundred fifty-three".

Divisors: 1 2113 263881 557580553