56543434 has 16 divisors (see below), whose sum is σ = 86139648. Its totient is φ = 27833472.

The previous prime is 56543429. The next prime is 56543447. The reversal of 56543434 is 43434565.

56543434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56543434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42609 + ... + 43915.

It is an arithmetic number, because the mean of its divisors is an integer number (5383728).

Almost surely, 2^56543434 is an apocalyptic number.

56543434 is a deficient number, since it is larger than the sum of its proper divisors (29596214).

56543434 is a wasteful number, since it uses less digits than its factorization.

56543434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629.

The product of its digits is 86400, while the sum is 34.

The square root of 56543434 is about 7519.5368208421. The cubic root of 56543434 is about 383.8198165440.

Adding to 56543434 its reverse (43434565), we get a palindrome (99977999).

The spelling of 56543434 in words is "fifty-six million, five hundred forty-three thousand, four hundred thirty-four".