55280440801 has 4 divisors (see below), whose sum is σ = 55286617392. Its totient is φ = 55274264212.

The previous prime is 55280440793. The next prime is 55280440811. The reversal of 55280440801 is 10804408255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10804408255 = 5 ⋅2160881651.

It is a cyclic number.

It is not a de Polignac number, because 55280440801 - 2³ = 55280440793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55280440811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074851 + ... + 3092776.

It is an arithmetic number, because the mean of its divisors is an integer number (13821654348).

Almost surely, 2^55280440801 is an apocalyptic number.

It is an amenable number.

55280440801 is a deficient number, since it is larger than the sum of its proper divisors (6176591).

55280440801 is an equidigital number, since it uses as much as digits as its factorization.

55280440801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176590.

The product of its (nonzero) digits is 51200, while the sum is 37.

The spelling of 55280440801 in words is "fifty-five billion, two hundred eighty million, four hundred forty thousand, eight hundred one".