56211369983 has 4 divisors (see below), whose sum is σ = 59169863160. Its totient is φ = 53252876808.

The previous prime is 56211369979. The next prime is 56211369989. The reversal of 56211369983 is 38996311265.

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

It is a cyclic number.

It is not a de Polignac number, because 56211369983 - 2² = 56211369979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56211369989) 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, 1479246560 + ... + 1479246597.

It is an arithmetic number, because the mean of its divisors is an integer number (14792465790).

Almost surely, 2^56211369983 is an apocalyptic number.

56211369983 is a deficient number, since it is larger than the sum of its proper divisors (2958493177).

56211369983 is a wasteful number, since it uses less digits than its factorization.

56211369983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958493176.

The product of its digits is 2099520, while the sum is 53.

The spelling of 56211369983 in words is "fifty-six billion, two hundred eleven million, three hundred sixty-nine thousand, nine hundred eighty-three".