56785726 has 4 divisors (see below), whose sum is σ = 85178592. Its totient is φ = 28392862.

The previous prime is 56785717. The next prime is 56785727. The reversal of 56785726 is 62758765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62758765 = 5 ⋅12551753.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56785727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14196430 + ... + 14196433.

It is an arithmetic number, because the mean of its divisors is an integer number (21294648).

Almost surely, 2^56785726 is an apocalyptic number.

56785726 is a deficient number, since it is larger than the sum of its proper divisors (28392866).

56785726 is a wasteful number, since it uses less digits than its factorization.

56785726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28392865.

The product of its digits is 705600, while the sum is 46.

The square root of 56785726 is about 7535.6304314901. The cubic root of 56785726 is about 384.3672656341.

The spelling of 56785726 in words is "fifty-six million, seven hundred eighty-five thousand, seven hundred twenty-six".