2055404401 has 6 divisors (see below), whose sum is σ = 2169277602. Its totient is φ = 1947224880.

The previous prime is 2055404387. The next prime is 2055404413. The reversal of 2055404401 is 1044045502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2044848400 + 10556001 = 45220^2 + 3249^2 .

It is not a de Polignac number, because 2055404401 - 2¹¹ = 2055402353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055407401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2846460 + ... + 2847181.

It is an arithmetic number, because the mean of its divisors is an integer number (361546267).

Almost surely, 2^2055404401 is an apocalyptic number.

It is an amenable number.

2055404401 is a deficient number, since it is larger than the sum of its proper divisors (113873201).

2055404401 is an equidigital number, since it uses as much as digits as its factorization.

2055404401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693679 (or 5693660 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2055404401 is about 45336.5680328805. The cubic root of 2055404401 is about 1271.4494375851.

Adding to 2055404401 its reverse (1044045502), we get a palindrome (3099449903).

The spelling of 2055404401 in words is "two billion, fifty-five million, four hundred four thousand, four hundred one".