56521376207 has 2 divisors, whose sum is σ = 56521376208. Its totient is φ = 56521376206.

The previous prime is 56521376117. The next prime is 56521376213. The reversal of 56521376207 is 70267312565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56521376207 - 2¹² = 56521372111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56521376237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28260688103 + 28260688104.

It is an arithmetic number, because the mean of its divisors is an integer number (28260688104).

Almost surely, 2^56521376207 is an apocalyptic number.

56521376207 is a deficient number, since it is larger than the sum of its proper divisors (1).

56521376207 is an equidigital number, since it uses as much as digits as its factorization.

56521376207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 56521376207 in words is "fifty-six billion, five hundred twenty-one million, three hundred seventy-six thousand, two hundred seven".