56035355503 has 24 divisors (see below), whose sum is σ = 61036850160. Its totient is φ = 51299395200.

The previous prime is 56035355491. The next prime is 56035355521. The reversal of 56035355503 is 30555353065.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-56035355503 is a prime.

It is a super-2 number, since 2×56035355503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56035355533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15646173 + ... + 15649753.

It is an arithmetic number, because the mean of its divisors is an integer number (2543202090).

Almost surely, 2^56035355503 is an apocalyptic number.

56035355503 is a deficient number, since it is larger than the sum of its proper divisors (5001494657).

56035355503 is a wasteful number, since it uses less digits than its factorization.

56035355503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 506250, while the sum is 40.

The spelling of 56035355503 in words is "fifty-six billion, thirty-five million, three hundred fifty-five thousand, five hundred three".