56543807 has 12 divisors (see below), whose sum is σ = 58823856. Its totient is φ = 54345600.

The previous prime is 56543759. The next prime is 56543813. The reversal of 56543807 is 70834565.

It is not a de Polignac number, because 56543807 - 2⁶ = 56543743 is a prime.

It is a super-2 number, since 2×56543807² = 6394404220106498, which 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 (56543827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140807 + ... + 141207.

It is an arithmetic number, because the mean of its divisors is an integer number (4901988).

Almost surely, 2^56543807 is an apocalyptic number.

56543807 is a deficient number, since it is larger than the sum of its proper divisors (2280049).

56543807 is a wasteful number, since it uses less digits than its factorization.

56543807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56543807 is about 7519.5616228607. The cubic root of 56543807 is about 383.8206605234.

The spelling of 56543807 in words is "fifty-six million, five hundred forty-three thousand, eight hundred seven".