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2755874557 is a prime number
BaseRepresentation
bin1010010001000011…
…0100111011111101
321010001122221012001
42210100310323331
521121000441212
61133243542301
7125202355462
oct24420647375
97101587161
102755874557
11119468a387
1264ab2a991
1334bc4aa07
141c2019669
15111e20657
hexa4434efd

2755874557 has 2 divisors, whose sum is σ = 2755874558. Its totient is φ = 2755874556.

The previous prime is 2755874519. The next prime is 2755874579. The reversal of 2755874557 is 7554785572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2356714116 + 399160441 = 48546^2 + 19979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2755874557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2755874498 and 2755874507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2755874507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377937278 + 1377937279.

It is an arithmetic number, because the mean of its divisors is an integer number (1377937279).

Almost surely, 22755874557 is an apocalyptic number.

It is an amenable number.

2755874557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755874557 is an equidigital number, since it uses as much as digits as its factorization.

2755874557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13720000, while the sum is 55.

The square root of 2755874557 is about 52496.4242306083. The cubic root of 2755874557 is about 1402.0165763881.

The spelling of 2755874557 in words is "two billion, seven hundred fifty-five million, eight hundred seventy-four thousand, five hundred fifty-seven".