56673493 has 4 divisors (see below), whose sum is σ = 57879360. Its totient is φ = 55467628.

The previous prime is 56673481. The next prime is 56673499. The reversal of 56673493 is 39437665.

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 a de Polignac number, because none of the positive numbers 2^k-56673493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56673499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602863 + ... + 602956.

It is an arithmetic number, because the mean of its divisors is an integer number (14469840).

Almost surely, 2^56673493 is an apocalyptic number.

It is an amenable number.

56673493 is a deficient number, since it is larger than the sum of its proper divisors (1205867).

56673493 is a wasteful number, since it uses less digits than its factorization.

56673493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205866.

The product of its digits is 408240, while the sum is 43.

The square root of 56673493 is about 7528.1799261176. The cubic root of 56673493 is about 384.1138736534.

The spelling of 56673493 in words is "fifty-six million, six hundred seventy-three thousand, four hundred ninety-three".