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50895557 is a prime number
BaseRepresentation
bin1100001000100…
…1101011000101
310112202202120122
43002021223011
5101012124212
65014511325
71155414356
oct302115305
9115682518
1050895557
1126802649
1215065545
13a70cc1b
146a8bd2d
154705272
hex3089ac5

50895557 has 2 divisors, whose sum is σ = 50895558. Its totient is φ = 50895556.

The previous prime is 50895503. The next prime is 50895589. The reversal of 50895557 is 75559805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45508516 + 5387041 = 6746^2 + 2321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50895557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50895157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25447778 + 25447779.

It is an arithmetic number, because the mean of its divisors is an integer number (25447779).

Almost surely, 250895557 is an apocalyptic number.

It is an amenable number.

50895557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50895557 is an equidigital number, since it uses as much as digits as its factorization.

50895557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 44.

The square root of 50895557 is about 7134.1122082569. The cubic root of 50895557 is about 370.5896539011.

The spelling of 50895557 in words is "fifty million, eight hundred ninety-five thousand, five hundred fifty-seven".