56466299266501 has 2 divisors, whose sum is σ = 56466299266502. Its totient is φ = 56466299266500.

The previous prime is 56466299266463. The next prime is 56466299266523. The reversal of 56466299266501 is 10566299266465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56388820544001 + 77478722500 = 7509249^2 + 278350^2 .

It is a cyclic number.

It is not a de Polignac number, because 56466299266501 - 2¹³ = 56466299258309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56466299261501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28233149633250 + 28233149633251.

It is an arithmetic number, because the mean of its divisors is an integer number (28233149633251).

Almost surely, 2^{56466299266501} is an apocalyptic number.

It is an amenable number.

56466299266501 is a deficient number, since it is larger than the sum of its proper divisors (1).

56466299266501 is an equidigital number, since it uses as much as digits as its factorization.

56466299266501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 67.

The spelling of 56466299266501 in words is "fifty-six trillion, four hundred sixty-six billion, two hundred ninety-nine million, two hundred sixty-six thousand, five hundred one".