56730433 has 4 divisors (see below), whose sum is σ = 56747008. Its totient is φ = 56713860.

The previous prime is 56730419. The next prime is 56730449. The reversal of 56730433 is 33403765.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56730433 - 2⁹ = 56729921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56730395 and 56730404.

It is not an unprimeable number, because it can be changed into a prime (56730473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (14186752).

Almost surely, 2^56730433 is an apocalyptic number.

It is an amenable number.

56730433 is a deficient number, since it is larger than the sum of its proper divisors (16575).

56730433 is a wasteful number, since it uses less digits than its factorization.

56730433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 56730433 is about 7531.9607672903. The cubic root of 56730433 is about 384.2424706519.

The spelling of 56730433 in words is "fifty-six million, seven hundred thirty thousand, four hundred thirty-three".