56423434 has 4 divisors (see below), whose sum is σ = 84635154. Its totient is φ = 28211716.

The previous prime is 56423417. The next prime is 56423449. The reversal of 56423434 is 43432465.

56423434 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 only one way, i.e., 30769209 + 25654225 = 5547^2 + 5065^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56423396 and 56423405.

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 as a sum of consecutive naturals, namely, 14105857 + ... + 14105860.

Almost surely, 2^56423434 is an apocalyptic number.

56423434 is a deficient number, since it is larger than the sum of its proper divisors (28211720).

56423434 is a wasteful number, since it uses less digits than its factorization.

56423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211719.

The product of its digits is 34560, while the sum is 31.

The square root of 56423434 is about 7511.5533679792. The cubic root of 56423434 is about 383.5481021241.

Adding to 56423434 its reverse (43432465), we get a palindrome (99855899).

The spelling of 56423434 in words is "fifty-six million, four hundred twenty-three thousand, four hundred thirty-four".