56521552333 has 2 divisors, whose sum is σ = 56521552334. Its totient is φ = 56521552332.

The previous prime is 56521552319. The next prime is 56521552357. The reversal of 56521552333 is 33325512565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29173323204 + 27348229129 = 170802^2 + 165373^2 .

It is a cyclic number.

It is not a de Polignac number, because 56521552333 - 2¹³ = 56521544141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56521552033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28260776166 + 28260776167.

It is an arithmetic number, because the mean of its divisors is an integer number (28260776167).

Almost surely, 2^56521552333 is an apocalyptic number.

It is an amenable number.

56521552333 is a deficient number, since it is larger than the sum of its proper divisors (1).

56521552333 is an equidigital number, since it uses as much as digits as its factorization.

56521552333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405000, while the sum is 40.

The spelling of 56521552333 in words is "fifty-six billion, five hundred twenty-one million, five hundred fifty-two thousand, three hundred thirty-three".