56447826 has 8 divisors (see below), whose sum is σ = 112895664. Its totient is φ = 18815940.

The previous prime is 56447821. The next prime is 56447827. The reversal of 56447826 is 62874465.

It is a sphenic number, since it is the product of 3 distinct primes.

56447826 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56447821) 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, 4703980 + ... + 4703991.

It is an arithmetic number, because the mean of its divisors is an integer number (14111958).

Almost surely, 2^56447826 is an apocalyptic number.

56447826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56447826 is a wasteful number, since it uses less digits than its factorization.

56447826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407976.

The product of its digits is 322560, while the sum is 42.

The square root of 56447826 is about 7513.1768247526. The cubic root of 56447826 is about 383.6033637818.

The spelling of 56447826 in words is "fifty-six million, four hundred forty-seven thousand, eight hundred twenty-six".