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56441459597 is a prime number
BaseRepresentation
bin110100100100001011…
…000101001110001101
312101200111120020000112
4310210023011032031
51411043003201342
641532344205405
74035446330225
oct644413051615
9171614506015
1056441459597
1121a33806a86
12ab32169865
135426435093
142a36017085
151705130682
hexd242c538d

56441459597 has 2 divisors, whose sum is σ = 56441459598. Its totient is φ = 56441459596.

The previous prime is 56441459579. The next prime is 56441459617. The reversal of 56441459597 is 79595414465.

Together with previous prime (56441459579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49470211561 + 6971248036 = 222419^2 + 83494^2 .

It is a cyclic number.

It is not a de Polignac number, because 56441459597 - 220 = 56440411021 is a prime.

It is a super-2 number, since 2×564414595972 (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 (56441459537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220729798 + 28220729799.

It is an arithmetic number, because the mean of its divisors is an integer number (28220729799).

Almost surely, 256441459597 is an apocalyptic number.

It is an amenable number.

56441459597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56441459597 is an equidigital number, since it uses as much as digits as its factorization.

56441459597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 59.

The spelling of 56441459597 in words is "fifty-six billion, four hundred forty-one million, four hundred fifty-nine thousand, five hundred ninety-seven".