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56488345579 is a prime number
BaseRepresentation
bin110100100110111101…
…111011111111101011
312101210202210021111101
4310212331323333223
51411142004024304
641541141142231
74036556005111
oct644675737753
9171722707441
1056488345579
1121a58220126
12ab459ba977
13543306cc73
142a3c33dab1
1517092e28a4
hexd26f7bfeb

56488345579 has 2 divisors, whose sum is σ = 56488345580. Its totient is φ = 56488345578.

The previous prime is 56488345559. The next prime is 56488345687. The reversal of 56488345579 is 97554388465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56488345579 - 217 = 56488214507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56488345579.

It is not a weakly prime, because it can be changed into another prime (56488345559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28244172789 + 28244172790.

It is an arithmetic number, because the mean of its divisors is an integer number (28244172790).

Almost surely, 256488345579 is an apocalyptic number.

56488345579 is a deficient number, since it is larger than the sum of its proper divisors (1).

56488345579 is an equidigital number, since it uses as much as digits as its factorization.

56488345579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152000, while the sum is 64.

The spelling of 56488345579 in words is "fifty-six billion, four hundred eighty-eight million, three hundred forty-five thousand, five hundred seventy-nine".