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56435097577 is a prime number
BaseRepresentation
bin110100100011110010…
…110011111111101001
312101200001120222222011
4310203302303333221
51411034341110302
641531555555521
74035341262115
oct644362637751
9171601528864
1056435097577
1121a30161111
12ab2bbbbba1
135425018381
142a3523c745
1517047c55d7
hexd23cb3fe9

56435097577 has 2 divisors, whose sum is σ = 56435097578. Its totient is φ = 56435097576.

The previous prime is 56435097541. The next prime is 56435097623. The reversal of 56435097577 is 77579053465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39908452441 + 16526645136 = 199771^2 + 128556^2 .

It is a cyclic number.

It is not a de Polignac number, because 56435097577 - 27 = 56435097449 is a prime.

It is a super-2 number, since 2×564350975772 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56435097077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28217548788 + 28217548789.

It is an arithmetic number, because the mean of its divisors is an integer number (28217548789).

Almost surely, 256435097577 is an apocalyptic number.

It is an amenable number.

56435097577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56435097577 is an equidigital number, since it uses as much as digits as its factorization.

56435097577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783000, while the sum is 58.

The spelling of 56435097577 in words is "fifty-six billion, four hundred thirty-five million, ninety-seven thousand, five hundred seventy-seven".