56001247628441 has 4 divisors (see below), whose sum is σ = 57932325132900. Its totient is φ = 54070170123984.

The previous prime is 56001247628353. The next prime is 56001247628477. The reversal of 56001247628441 is 14482674210065.

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 19483749121600 + 36517498506841 = 4414040^2 + 6042971^2 .

It is a cyclic number.

It is not a de Polignac number, because 56001247628441 - 2²² = 56001243434137 is a prime.

It is a super-3 number, since 3×56001247628441³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56001247628441.

It is not an unprimeable number, because it can be changed into a prime (56001247628941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965538752186 + ... + 965538752243.

It is an arithmetic number, because the mean of its divisors is an integer number (14483081283225).

Almost surely, 2^{56001247628441} is an apocalyptic number.

It is an amenable number.

56001247628441 is a deficient number, since it is larger than the sum of its proper divisors (1931077504459).

56001247628441 is a wasteful number, since it uses less digits than its factorization.

56001247628441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931077504458.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 56001247628441 in words is "fifty-six trillion, one billion, two hundred forty-seven million, six hundred twenty-eight thousand, four hundred forty-one".