56651433503 has 16 divisors (see below), whose sum is σ = 68402119680. Its totient is φ = 45886406496.

The previous prime is 56651433497. The next prime is 56651433511. The reversal of 56651433503 is 30533415665.

It is not a de Polignac number, because 56651433503 - 2⁸ = 56651433247 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 (56651433523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2959301 + ... + 2978382.

It is an arithmetic number, because the mean of its divisors is an integer number (4275132480).

Almost surely, 2^56651433503 is an apocalyptic number.

56651433503 is a deficient number, since it is larger than the sum of its proper divisors (11750686177).

56651433503 is a wasteful number, since it uses less digits than its factorization.

56651433503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937766.

The product of its (nonzero) digits is 486000, while the sum is 41.

The spelling of 56651433503 in words is "fifty-six billion, six hundred fifty-one million, four hundred thirty-three thousand, five hundred three".