56643571040003 has 32 divisors (see below), whose sum is σ = 63465655248000. Its totient is φ = 50277891997696.

The previous prime is 56643571039963. The next prime is 56643571040099. The reversal of 56643571040003 is 30004017534665.

It is not a de Polignac number, because 56643571040003 - 2⁸ = 56643571039747 is a prime.

It is a super-4 number, since 4×56643571040003⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56643571040803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9978473 + ... + 14589621.

It is an arithmetic number, because the mean of its divisors is an integer number (1983301726500).

Almost surely, 2^{56643571040003} is an apocalyptic number.

56643571040003 is a deficient number, since it is larger than the sum of its proper divisors (6822084207997).

56643571040003 is a wasteful number, since it uses less digits than its factorization.

56643571040003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611631.

The product of its (nonzero) digits is 907200, while the sum is 44.

Adding to 56643571040003 its reverse (30004017534665), we get a palindrome (86647588574668).

The spelling of 56643571040003 in words is "fifty-six trillion, six hundred forty-three billion, five hundred seventy-one million, forty thousand, three".