56511204441 has 4 divisors (see below), whose sum is σ = 75348272592. Its totient is φ = 37674136292.

The previous prime is 56511204439. The next prime is 56511204481. The reversal of 56511204441 is 14440211565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56511204441 - 2¹ = 56511204439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56511204481) 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, 9418534071 + ... + 9418534076.

It is an arithmetic number, because the mean of its divisors is an integer number (18837068148).

Almost surely, 2^56511204441 is an apocalyptic number.

It is an amenable number.

56511204441 is a deficient number, since it is larger than the sum of its proper divisors (18837068151).

56511204441 is a wasteful number, since it uses less digits than its factorization.

56511204441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837068150.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 56511204441 in words is "fifty-six billion, five hundred eleven million, two hundred four thousand, four hundred forty-one".