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56758697 is a prime number
BaseRepresentation
bin1101100010000…
…1000110101001
310221210122021222
43120201012221
5104012234242
65344311425
71256304152
oct330410651
9127718258
1056758697
112a047716
1217012575
13b9b3838
147776929
154eb25d2
hex36211a9

56758697 has 2 divisors, whose sum is σ = 56758698. Its totient is φ = 56758696.

The previous prime is 56758651. The next prime is 56758717. The reversal of 56758697 is 79685765.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 15555136 = 6419^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 56758697 - 28 = 56758441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56754697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28379348 + 28379349.

It is an arithmetic number, because the mean of its divisors is an integer number (28379349).

Almost surely, 256758697 is an apocalyptic number.

It is an amenable number.

56758697 is a deficient number, since it is larger than the sum of its proper divisors (1).

56758697 is an equidigital number, since it uses as much as digits as its factorization.

56758697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 53.

The square root of 56758697 is about 7533.8368047098. The cubic root of 56758697 is about 384.3062719518.

The spelling of 56758697 in words is "fifty-six million, seven hundred fifty-eight thousand, six hundred ninety-seven".