56531279203 has 8 divisors (see below), whose sum is σ = 64608616800. Its totient is φ = 48454301760.

The previous prime is 56531279159. The next prime is 56531279209. The reversal of 56531279203 is 30297213565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56531279203 - 2³³ = 47941344611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56531279203.

It is not an unprimeable number, because it can be changed into a prime (56531279209) 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 7 ways as a sum of consecutive naturals, for example, 543873 + ... + 639421.

It is an arithmetic number, because the mean of its divisors is an integer number (8076077100).

Almost surely, 2^56531279203 is an apocalyptic number.

56531279203 is a deficient number, since it is larger than the sum of its proper divisors (8077337597).

56531279203 is an equidigital number, since it uses as much as digits as its factorization.

56531279203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180077.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 56531279203 in words is "fifty-six billion, five hundred thirty-one million, two hundred seventy-nine thousand, two hundred three".