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557253855 = 32537477121
BaseRepresentation
bin100001001101110…
…000010011011111
31102211120102120200
4201031300103133
52120124110410
6131143514543
716544402544
oct4115602337
91384512520
10557253855
11266612084
12136758a53
138b5b0112
145401abcb
1533dc73c0
hex213704df

557253855 has 48 divisors (see below), whose sum is σ = 1013261184. Its totient is φ = 282977280.

The previous prime is 557253847. The next prime is 557253859. The reversal of 557253855 is 558352755.

557253855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557253855 - 23 = 557253847 is a prime.

It is a super-2 number, since 2×5572538552 = 621063717824722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 557253855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557253859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74695 + ... + 81815.

It is an arithmetic number, because the mean of its divisors is an integer number (21109608).

Almost surely, 2557253855 is an apocalyptic number.

557253855 is a deficient number, since it is larger than the sum of its proper divisors (456007329).

557253855 is a wasteful number, since it uses less digits than its factorization.

557253855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216 (or 7213 counting only the distinct ones).

The product of its digits is 1050000, while the sum is 45.

The square root of 557253855 is about 23606.2249205586. The cubic root of 557253855 is about 822.9075126372.

Adding to 557253855 its product of digits (1050000), we get a palindrome (558303855).

The spelling of 557253855 in words is "five hundred fifty-seven million, two hundred fifty-three thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 37 45 47 111 141 185 235 333 423 555 705 1665 1739 2115 5217 7121 8695 15651 21363 26085 35605 64089 78255 106815 263477 320445 334687 790431 1004061 1317385 1673435 2371293 3012183 3952155 5020305 11856465 12383419 15060915 37150257 61917095 111450771 185751285 557253855