56002805 has 16 divisors (see below), whose sum is σ = 68344560. Its totient is φ = 44047872.

The previous prime is 56002789. The next prime is 56002831. The reversal of 56002805 is 50820065.

It can be written as a sum of positive squares in 8 ways, for example, as 9449476 + 46553329 = 3074^2 + 6823^2 .

It is a cyclic number.

It is not a de Polignac number, because 56002805 - 2⁴ = 56002789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140867 + ... + 141263.

It is an arithmetic number, because the mean of its divisors is an integer number (4271535).

Almost surely, 2^56002805 is an apocalyptic number.

It is an amenable number.

56002805 is a deficient number, since it is larger than the sum of its proper divisors (12341755).

56002805 is a wasteful number, since it uses less digits than its factorization.

56002805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 56002805 is about 7483.5021881469. The cubic root of 56002805 is about 382.5926242716.

The spelling of 56002805 in words is "fifty-six million, two thousand, eight hundred five".