56620850449 has 8 divisors (see below), whose sum is σ = 58199698152. Its totient is φ = 55060911360.

The previous prime is 56620850411. The next prime is 56620850467. The reversal of 56620850449 is 94405802665.

It can be written as a sum of positive squares in 4 ways, for example, as 13882730625 + 42738119824 = 117825^2 + 206732^2 .

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

It is not a de Polignac number, because 56620850449 - 2⁹ = 56620849937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56620850479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721082 + ... + 4733059.

It is an arithmetic number, because the mean of its divisors is an integer number (7274962269).

Almost surely, 2^56620850449 is an apocalyptic number.

It is an amenable number.

56620850449 is a deficient number, since it is larger than the sum of its proper divisors (1578847703).

56620850449 is a wasteful number, since it uses less digits than its factorization.

56620850449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9454307.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 56620850449 in words is "fifty-six billion, six hundred twenty million, eight hundred fifty thousand, four hundred forty-nine".