55330305583 has 4 divisors (see below), whose sum is σ = 63234634960. Its totient is φ = 47425976208.

The previous prime is 55330305533. The next prime is 55330305623. The reversal of 55330305583 is 38550303355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55330305583 - 2²¹ = 55328208431 is a prime.

It is a super-2 number, since 2×55330305583² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55330305523) 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, 3952164678 + ... + 3952164691.

It is an arithmetic number, because the mean of its divisors is an integer number (15808658740).

Almost surely, 2^55330305583 is an apocalyptic number.

55330305583 is a deficient number, since it is larger than the sum of its proper divisors (7904329377).

55330305583 is an equidigital number, since it uses as much as digits as its factorization.

55330305583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7904329376.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 55330305583 in words is "fifty-five billion, three hundred thirty million, three hundred five thousand, five hundred eighty-three".