56989212774401 has 4 divisors (see below), whose sum is σ = 57057957302100. Its totient is φ = 56920468246704.

The previous prime is 56989212774359. The next prime is 56989212774409. The reversal of 56989212774401 is 10447721298965.

It is a Cunningham number, because it is equal to 7549120²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32808380179600 + 24180832594801 = 5727860^2 + 4917401^2 .

It is a cyclic number.

It is not a de Polignac number, because 56989212774401 - 2²² = 56989208580097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56989212774409) 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 in 3 ways as a sum of consecutive naturals, for example, 34372262606 + ... + 34372264263.

It is an arithmetic number, because the mean of its divisors is an integer number (14264489325525).

Almost surely, 2^{56989212774401} is an apocalyptic number.

It is an amenable number.

56989212774401 is a deficient number, since it is larger than the sum of its proper divisors (68744527699).

56989212774401 is an equidigital number, since it uses as much as digits as its factorization.

56989212774401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68744527698.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 56989212774401 in words is "fifty-six trillion, nine hundred eighty-nine billion, two hundred twelve million, seven hundred seventy-four thousand, four hundred one".