56403826 has 4 divisors (see below), whose sum is σ = 84605742. Its totient is φ = 28201912.

The previous prime is 56403803. The next prime is 56403827. The reversal of 56403826 is 62830465.

It is a happy number.

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., 51136801 + 5267025 = 7151^2 + 2295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56403791 and 56403800.

It is not an unprimeable number, because it can be changed into a prime (56403827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100955 + ... + 14100958.

Almost surely, 2^56403826 is an apocalyptic number.

56403826 is a deficient number, since it is larger than the sum of its proper divisors (28201916).

56403826 is a wasteful number, since it uses less digits than its factorization.

56403826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201915.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 56403826 is about 7510.2480651441. The cubic root of 56403826 is about 383.5036673801.

The spelling of 56403826 in words is "fifty-six million, four hundred three thousand, eight hundred twenty-six".