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50550549431 is a prime number
BaseRepresentation
bin101111000101000011…
…000010101110110111
311211110221202222110112
4233011003002232313
51312011420040211
635120025413235
73436455403064
oct570503025667
9154427688415
1050550549431
111a490515a88
12996933a21b
1349c7b43315
1426378c3c6b
1514acd9588b
hexbc50c2bb7

50550549431 has 2 divisors, whose sum is σ = 50550549432. Its totient is φ = 50550549430.

The previous prime is 50550549419. The next prime is 50550549433. The reversal of 50550549431 is 13494505505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50550549431 - 230 = 49476807607 is a prime.

It is a super-2 number, since 2×505505494312 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 50550549433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550549433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275274715 + 25275274716.

It is an arithmetic number, because the mean of its divisors is an integer number (25275274716).

Almost surely, 250550549431 is an apocalyptic number.

50550549431 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550549431 is an equidigital number, since it uses as much as digits as its factorization.

50550549431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 50550549431 in words is "fifty billion, five hundred fifty million, five hundred forty-nine thousand, four hundred thirty-one".