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557353855 = 51011139767
BaseRepresentation
bin100001001110001…
…000101101111111
31102211202111202101
4201032020231333
52120140310410
6131150005531
716545300232
oct4116105577
91384674671
10557353855
11266680223
121367a68a7
138b6167a6
1454045419
1533de6d3a
hex21388b7f

557353855 has 16 divisors (see below), whose sum is σ = 681493824. Its totient is φ = 437516800.

The previous prime is 557353837. The next prime is 557353859. The reversal of 557353855 is 558353755.

It is not a de Polignac number, because 557353855 - 227 = 423136127 is a prime.

It is a super-2 number, since 2×5573538552 = 621286639366722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557353859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52182 + ... + 61948.

It is an arithmetic number, because the mean of its divisors is an integer number (42593364).

Almost surely, 2557353855 is an apocalyptic number.

557353855 is a deficient number, since it is larger than the sum of its proper divisors (124139969).

557353855 is a wasteful number, since it uses less digits than its factorization.

557353855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9986.

The product of its digits is 1575000, while the sum is 46.

The square root of 557353855 is about 23608.3429109288. The cubic root of 557353855 is about 822.9567336691.

The spelling of 557353855 in words is "five hundred fifty-seven million, three hundred fifty-three thousand, eight hundred fifty-five".

Divisors: 1 5 101 113 505 565 9767 11413 48835 57065 986467 1103671 4932335 5518355 111470771 557353855