55323052309 has 8 divisors (see below), whose sum is σ = 63231459200. Its totient is φ = 47415923856.

The previous prime is 55323052303. The next prime is 55323052313. The reversal of 55323052309 is 90325032355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55323052309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323052303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225009 + ... + 401590.

It is an arithmetic number, because the mean of its divisors is an integer number (7903932400).

Almost surely, 2^55323052309 is an apocalyptic number.

It is an amenable number.

55323052309 is a deficient number, since it is larger than the sum of its proper divisors (7908406891).

55323052309 is a wasteful number, since it uses less digits than its factorization.

55323052309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639219.

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 55323052309 in words is "fifty-five billion, three hundred twenty-three million, fifty-two thousand, three hundred nine".