56019385003 has 4 divisors (see below), whose sum is σ = 56021365800. Its totient is φ = 56017404208.

The previous prime is 56019384989. The next prime is 56019385007. The reversal of 56019385003 is 30058391065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56019385003 is a prime.

It is a super-2 number, since 2×56019385003² (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 (56019385007) 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 3 ways as a sum of consecutive naturals, for example, 947353 + ... + 1004746.

It is an arithmetic number, because the mean of its divisors is an integer number (14005341450).

Almost surely, 2^56019385003 is an apocalyptic number.

56019385003 is a deficient number, since it is larger than the sum of its proper divisors (1980797).

56019385003 is a wasteful number, since it uses less digits than its factorization.

56019385003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980796.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 56019385003 in words is "fifty-six billion, nineteen million, three hundred eighty-five thousand, three".