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57089978591 is a prime number
BaseRepresentation
bin110101001010110100…
…111111000011011111
312110100200212101211112
4311022310333003133
51413410013303331
642120552212235
74060512545162
oct651264770337
9173320771745
1057089978591
1122236893998
12b09339a07b
1354ca8bac29
142a981cdad9
15174203432b
hexd4ad3f0df

57089978591 has 2 divisors, whose sum is σ = 57089978592. Its totient is φ = 57089978590.

The previous prime is 57089978531. The next prime is 57089978597. The reversal of 57089978591 is 19587998075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57089978591 - 226 = 57022869727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57089978597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28544989295 + 28544989296.

It is an arithmetic number, because the mean of its divisors is an integer number (28544989296).

Almost surely, 257089978591 is an apocalyptic number.

57089978591 is a deficient number, since it is larger than the sum of its proper divisors (1).

57089978591 is an equidigital number, since it uses as much as digits as its factorization.

57089978591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 68.

The spelling of 57089978591 in words is "fifty-seven billion, eighty-nine million, nine hundred seventy-eight thousand, five hundred ninety-one".