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500500055557 = 1093457914049
BaseRepresentation
bin1110100100010000010…
…00001100011000000101
31202211212201011011111201
413102020020030120011
531200011003234212
61021532045102501
751105600164305
oct7221010143005
91684781134451
10500500055557
11183296262657
1281000557a31
1338273922238
141a31d7d1605
15d0449acb57
hex748820c605

500500055557 has 4 divisors (see below), whose sum is σ = 500957970700. Its totient is φ = 500042140416.

The previous prime is 500500055521. The next prime is 500500055567. The reversal of 500500055557 is 755550005005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 755550005005 = 5151110001001.

It can be written as a sum of positive squares in 2 ways, for example, as 353693067841 + 146806987716 = 594721^2 + 383154^2 .

It is a cyclic number.

It is not a de Polignac number, because 500500055557 - 231 = 498352571909 is a prime.

It is a super-2 number, since 2×5005000555572 (a number of 24 digits) 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 (500500055567) 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 3 ways as a sum of consecutive naturals, for example, 228955932 + ... + 228958117.

It is an arithmetic number, because the mean of its divisors is an integer number (125239492675).

Almost surely, 2500500055557 is an apocalyptic number.

It is an amenable number.

500500055557 is a deficient number, since it is larger than the sum of its proper divisors (457915143).

500500055557 is a wasteful number, since it uses less digits than its factorization.

500500055557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457915142.

The product of its (nonzero) digits is 109375, while the sum is 37.

The spelling of 500500055557 in words is "five hundred billion, five hundred million, fifty-five thousand, five hundred fifty-seven".

Divisors: 1 1093 457914049 500500055557