56823842 has 4 divisors (see below), whose sum is σ = 85235766. Its totient is φ = 28411920.

The previous prime is 56823841. The next prime is 56823863. The reversal of 56823842 is 24832865.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41229241 + 15594601 = 6421^2 + 3949^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56823796 and 56823805.

It is not an unprimeable number, because it can be changed into a prime (56823841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14205959 + ... + 14205962.

Almost surely, 2^56823842 is an apocalyptic number.

56823842 is a deficient number, since it is larger than the sum of its proper divisors (28411924).

56823842 is a wasteful number, since it uses less digits than its factorization.

56823842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28411923.

The product of its digits is 92160, while the sum is 38.

The square root of 56823842 is about 7538.1590590807. The cubic root of 56823842 is about 384.4532453748.

The spelling of 56823842 in words is "fifty-six million, eight hundred twenty-three thousand, eight hundred forty-two".