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56248853897 is a prime number
BaseRepresentation
bin110100011000101100…
…010110010110001001
312101012002010211200002
4310120230112112021
51410144201311042
641501304052345
74030620240455
oct643054262611
9171162124602
1056248853897
1121945014515
12aa997640b5
1353c5569602
142a185db665
1516e3287132
hexd18b16589

56248853897 has 2 divisors, whose sum is σ = 56248853898. Its totient is φ = 56248853896.

The previous prime is 56248853851. The next prime is 56248853933. The reversal of 56248853897 is 79835884265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53763233161 + 2485620736 = 231869^2 + 49856^2 .

It is a cyclic number.

It is not a de Polignac number, because 56248853897 - 210 = 56248852873 is a prime.

It is not a weakly prime, because it can be changed into another prime (56248853497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28124426948 + 28124426949.

It is an arithmetic number, because the mean of its divisors is an integer number (28124426949).

Almost surely, 256248853897 is an apocalyptic number.

It is an amenable number.

56248853897 is a deficient number, since it is larger than the sum of its proper divisors (1).

56248853897 is an equidigital number, since it uses as much as digits as its factorization.

56248853897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116121600, while the sum is 65.

The spelling of 56248853897 in words is "fifty-six billion, two hundred forty-eight million, eight hundred fifty-three thousand, eight hundred ninety-seven".