56803842 has 40 divisors (see below), whose sum is σ = 131400192. Its totient is φ = 18322200.

The previous prime is 56803841. The next prime is 56803853. The reversal of 56803842 is 24830865.

It is a junction number, because it is equal to n+sod(n) for n = 56803797 and 56803806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56803841) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 634 + ... + 10677.

Almost surely, 2^56803842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56803842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65700096).

56803842 is an abundant number, since it is smaller than the sum of its proper divisors (74596350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56803842 is a wasteful number, since it uses less digits than its factorization.

56803842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356 (or 11347 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 56803842 is about 7536.8323584912. The cubic root of 56803842 is about 384.4081353945.

The spelling of 56803842 in words is "fifty-six million, eight hundred three thousand, eight hundred forty-two".