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56206523 is a prime number
BaseRepresentation
bin1101011001101…
…0010010111011
310220202120212002
43112122102323
5103342102043
65324411215
71251514262
oct326322273
9126676762
1056206523
11297aa87a
12169a6b0b
13b84c3c9
1476715d9
154e03bb8
hex359a4bb

56206523 has 2 divisors, whose sum is σ = 56206524. Its totient is φ = 56206522.

The previous prime is 56206499. The next prime is 56206543. The reversal of 56206523 is 32560265.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56206523 - 26 = 56206459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56206543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28103261 + 28103262.

It is an arithmetic number, because the mean of its divisors is an integer number (28103262).

Almost surely, 256206523 is an apocalyptic number.

56206523 is a deficient number, since it is larger than the sum of its proper divisors (1).

56206523 is an equidigital number, since it uses as much as digits as its factorization.

56206523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 56206523 is about 7497.1009730428. The cubic root of 56206523 is about 383.0559742037.

Adding to 56206523 its reverse (32560265), we get a palindrome (88766788).

The spelling of 56206523 in words is "fifty-six million, two hundred six thousand, five hundred twenty-three".