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57389506277 is a prime number
BaseRepresentation
bin110101011100101011…
…100101111011100101
312111010120110222120112
4311130223211323211
51420013203200102
642210412142405
74101110516555
oct653453457345
9174116428515
1057389506277
112237a975534
12b157767a05
135547981a4c
142ac5cbd165
15175d49d252
hexd5cae5ee5

57389506277 has 2 divisors, whose sum is σ = 57389506278. Its totient is φ = 57389506276.

The previous prime is 57389506271. The next prime is 57389506301. The reversal of 57389506277 is 77260598375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54768168676 + 2621337601 = 234026^2 + 51199^2 .

It is a cyclic number.

It is not a de Polignac number, because 57389506277 - 24 = 57389506261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57389506271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28694753138 + 28694753139.

It is an arithmetic number, because the mean of its divisors is an integer number (28694753139).

Almost surely, 257389506277 is an apocalyptic number.

It is an amenable number.

57389506277 is a deficient number, since it is larger than the sum of its proper divisors (1).

57389506277 is an equidigital number, since it uses as much as digits as its factorization.

57389506277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 57389506277 in words is "fifty-seven billion, three hundred eighty-nine million, five hundred six thousand, two hundred seventy-seven".