55332801 has 12 divisors (see below), whose sum is σ = 82885712. Its totient is φ = 36888372.

The previous prime is 55332743. The next prime is 55332811. The reversal of 55332801 is 10823355.

55332801 is a `hidden beast` number, since 553 + 32 + 80 + 1 = 666.

55332801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55332801 - 2¹⁰ = 55331777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55332811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113611 + ... + 114096.

Almost surely, 2^55332801 is an apocalyptic number.

It is an amenable number.

55332801 is a deficient number, since it is larger than the sum of its proper divisors (27552911).

55332801 is an equidigital number, since it uses as much as digits as its factorization.

55332801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227722 (or 227710 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55332801 is about 7438.6020864138. The cubic root of 55332801 is about 381.0607504344.

The spelling of 55332801 in words is "fifty-five million, three hundred thirty-two thousand, eight hundred one".