55388812333 has 4 divisors (see below), whose sum is σ = 55389917440. Its totient is φ = 55387707228.

The previous prime is 55388812319. The next prime is 55388812351. The reversal of 55388812333 is 33321888355.

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.

It is a cyclic number.

It is not a de Polignac number, because 55388812333 - 2²⁵ = 55355257901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55388812033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473613 + ... + 578866.

It is an arithmetic number, because the mean of its divisors is an integer number (13847479360).

Almost surely, 2^55388812333 is an apocalyptic number.

It is an amenable number.

55388812333 is a deficient number, since it is larger than the sum of its proper divisors (1105107).

55388812333 is a wasteful number, since it uses less digits than its factorization.

55388812333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105106.

The product of its digits is 2073600, while the sum is 49.

The spelling of 55388812333 in words is "fifty-five billion, three hundred eighty-eight million, eight hundred twelve thousand, three hundred thirty-three".