56520067 has 2 divisors, whose sum is σ = 56520068. Its totient is φ = 56520066.

The previous prime is 56520029. The next prime is 56520071. The reversal of 56520067 is 76002565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56520067 - 2¹¹ = 56518019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56520077) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28260033 + 28260034.

It is an arithmetic number, because the mean of its divisors is an integer number (28260034).

Almost surely, 2^56520067 is an apocalyptic number.

56520067 is a deficient number, since it is larger than the sum of its proper divisors (1).

56520067 is an equidigital number, since it uses as much as digits as its factorization.

56520067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56520067 is about 7517.9829076688. The cubic root of 56520067 is about 383.7669371156.

The spelling of 56520067 in words is "fifty-six million, five hundred twenty thousand, sixty-seven".