56423643 has 8 divisors (see below), whose sum is σ = 75544656. Its totient is φ = 37459200.

The previous prime is 56423569. The next prime is 56423651. The reversal of 56423643 is 34632465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56423643 - 2⁸ = 56423387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56423693) 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 7 ways as a sum of consecutive naturals, for example, 38298 + ... + 39743.

It is an arithmetic number, because the mean of its divisors is an integer number (9443082).

Almost surely, 2^56423643 is an apocalyptic number.

56423643 is a deficient number, since it is larger than the sum of its proper divisors (19121013).

56423643 is a wasteful number, since it uses less digits than its factorization.

56423643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78285.

The product of its digits is 51840, while the sum is 33.

The square root of 56423643 is about 7511.5672798691. The cubic root of 56423643 is about 383.5485756948.

The spelling of 56423643 in words is "fifty-six million, four hundred twenty-three thousand, six hundred forty-three".