56673428003 has 12 divisors (see below), whose sum is σ = 60213101160. Its totient is φ = 53330979072.

The previous prime is 56673427991. The next prime is 56673428041. The reversal of 56673428003 is 30082437665.

It is not a de Polignac number, because 56673428003 - 2¹⁸ = 56673165859 is a prime.

It is a super-2 number, since 2×56673428003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56673428083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2367428 + ... + 2391246.

It is an arithmetic number, because the mean of its divisors is an integer number (5017758430).

Almost surely, 2^56673428003 is an apocalyptic number.

56673428003 is a deficient number, since it is larger than the sum of its proper divisors (3539673157).

56673428003 is a wasteful number, since it uses less digits than its factorization.

56673428003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32086 (or 32069 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 56673428003 in words is "fifty-six billion, six hundred seventy-three million, four hundred twenty-eight thousand, three".