56444069401 has 4 divisors (see below), whose sum is σ = 56445364404. Its totient is φ = 56442774400.

The previous prime is 56444069387. The next prime is 56444069417. The reversal of 56444069401 is 10496044465.

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 14213408400 + 42230661001 = 119220^2 + 205501^2 .

It is a cyclic number.

It is not a de Polignac number, because 56444069401 - 2²⁷ = 56309851673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56444069491) 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, 579760 + ... + 670081.

It is an arithmetic number, because the mean of its divisors is an integer number (14111341101).

Almost surely, 2^56444069401 is an apocalyptic number.

It is an amenable number.

56444069401 is a deficient number, since it is larger than the sum of its proper divisors (1295003).

56444069401 is a wasteful number, since it uses less digits than its factorization.

56444069401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295002.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 56444069401 in words is "fifty-six billion, four hundred forty-four million, sixty-nine thousand, four hundred one".