5555801 has 4 divisors (see below), whose sum is σ = 5561652. Its totient is φ = 5549952.

The previous prime is 5555777. The next prime is 5555807. The reversal of 5555801 is 1085555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1085555 = 5 ⋅217111.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 3904576 = 1285^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555801 - 2²² = 1361497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5555807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (1390413).

Almost surely, 2^5555801 is an apocalyptic number.

It is an amenable number.

5555801 is a deficient number, since it is larger than the sum of its proper divisors (5851).

5555801 is a wasteful number, since it uses less digits than its factorization.

5555801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 5555801 is about 2357.0746700094. The cubic root of 5555801 is about 177.1123697284.

The spelling of 5555801 in words is "five million, five hundred fifty-five thousand, eight hundred one".