56838055805 has 6 divisors (see below), whose sum is σ = 68206306686. Its totient is φ = 45470018168.

The previous prime is 56838055783. The next prime is 56838055831. The reversal of 56838055805 is 50855083865.

It can be written as a sum of positive squares in only one way, i.e., 45470444644 + 11367611161 = 213238^2 + 106619^2 .

It is not a de Polignac number, because 56838055805 - 2²⁶ = 56770946941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 479786 + ... + 586404.

It is an arithmetic number, because the mean of its divisors is an integer number (11367717781).

Almost surely, 2^56838055805 is an apocalyptic number.

It is an amenable number.

56838055805 is a deficient number, since it is larger than the sum of its proper divisors (11368250881).

56838055805 is an frugal number, since it uses more digits than its factorization.

56838055805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213243 (or 106624 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 56838055805 in words is "fifty-six billion, eight hundred thirty-eight million, fifty-five thousand, eight hundred five".