56503130673 has 32 divisors (see below), whose sum is σ = 87089489280. Its totient is φ = 32204533760.

The previous prime is 56503130669. The next prime is 56503130819. The reversal of 56503130673 is 37603130565.

It is a cyclic number.

It is not a de Polignac number, because 56503130673 - 2² = 56503130669 is a prime.

It is a super-2 number, since 2×56503130673² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56503130603) 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 31 ways as a sum of consecutive naturals, for example, 684061 + ... + 762197.

It is an arithmetic number, because the mean of its divisors is an integer number (2721546540).

Almost surely, 2^56503130673 is an apocalyptic number.

It is an amenable number.

56503130673 is a deficient number, since it is larger than the sum of its proper divisors (30586358607).

56503130673 is a wasteful number, since it uses less digits than its factorization.

56503130673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79457.

The product of its (nonzero) digits is 170100, while the sum is 39.

The spelling of 56503130673 in words is "fifty-six billion, five hundred three million, one hundred thirty thousand, six hundred seventy-three".