56543365 has 4 divisors (see below), whose sum is σ = 67852044. Its totient is φ = 45234688.

The previous prime is 56543353. The next prime is 56543429. The reversal of 56543365 is 56334565.

56543365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32982049 + 23561316 = 5743^2 + 4854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56543365 is a prime.

It is a super-3 number, since 3×56543365³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5654332 + ... + 5654341.

It is an arithmetic number, because the mean of its divisors is an integer number (16963011).

Almost surely, 2^56543365 is an apocalyptic number.

It is an amenable number.

56543365 is a deficient number, since it is larger than the sum of its proper divisors (11308679).

56543365 is a wasteful number, since it uses less digits than its factorization.

56543365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308678.

The product of its digits is 162000, while the sum is 37.

The square root of 56543365 is about 7519.5322327921. The cubic root of 56543365 is about 383.8196604187.

The spelling of 56543365 in words is "fifty-six million, five hundred forty-three thousand, three hundred sixty-five".