55523365361 has 4 divisors (see below), whose sum is σ = 55523891712. Its totient is φ = 55522839012.

The previous prime is 55523365333. The next prime is 55523365367. The reversal of 55523365361 is 16356332555.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55523365361 is a prime.

It is a super-2 number, since 2×55523365361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55523365367) 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, 44225 + ... + 336158.

It is an arithmetic number, because the mean of its divisors is an integer number (13880972928).

Almost surely, 2^55523365361 is an apocalyptic number.

It is an amenable number.

55523365361 is a deficient number, since it is larger than the sum of its proper divisors (526351).

55523365361 is a wasteful number, since it uses less digits than its factorization.

55523365361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526350.

The product of its digits is 1215000, while the sum is 44.

The spelling of 55523365361 in words is "fifty-five billion, five hundred twenty-three million, three hundred sixty-five thousand, three hundred sixty-one".