56220543 has 12 divisors (see below), whose sum is σ = 81308448. Its totient is φ = 37433760.

The previous prime is 56220529. The next prime is 56220557. The reversal of 56220543 is 34502265.

It is an interprime number because it is at equal distance from previous prime (56220529) and next prime (56220557).

It is a de Polignac number, because none of the positive numbers 2^k-56220543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56220523) 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 11 ways as a sum of consecutive naturals, for example, 4771 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (6775704).

Almost surely, 2^56220543 is an apocalyptic number.

56220543 is a deficient number, since it is larger than the sum of its proper divisors (25087905).

56220543 is a wasteful number, since it uses less digits than its factorization.

56220543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774 (or 7771 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 56220543 is about 7498.0359428320. The cubic root of 56220543 is about 383.0878210309.

The spelling of 56220543 in words is "fifty-six million, two hundred twenty thousand, five hundred forty-three".