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56807004797 is a prime number
BaseRepresentation
bin110100111001111101…
…100001101001111101
312102121222101211202122
4310321331201221331
51412320043123142
642032523132325
74050505400534
oct647175415175
9172558354678
1056807004797
1122101089554
12b0146740a5
1354840a1b0a
142a6c7ad31b
15172728a1d2
hexd39f61a7d

56807004797 has 2 divisors, whose sum is σ = 56807004798. Its totient is φ = 56807004796.

The previous prime is 56807004739. The next prime is 56807004803. The reversal of 56807004797 is 79740070865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47847625081 + 8959379716 = 218741^2 + 94654^2 .

It is a cyclic number.

It is not a de Polignac number, because 56807004797 - 230 = 55733262973 is a prime.

It is a super-2 number, since 2×568070047972 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56807000797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403502398 + 28403502399.

It is an arithmetic number, because the mean of its divisors is an integer number (28403502399).

Almost surely, 256807004797 is an apocalyptic number.

It is an amenable number.

56807004797 is a deficient number, since it is larger than the sum of its proper divisors (1).

56807004797 is an equidigital number, since it uses as much as digits as its factorization.

56807004797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 56807004797 in words is "fifty-six billion, eight hundred seven million, four thousand, seven hundred ninety-seven".