55551544343 has 4 divisors (see below), whose sum is σ = 55631938008. Its totient is φ = 55471150680.

The previous prime is 55551544313. The next prime is 55551544369. The reversal of 55551544343 is 34344515555.

It is a happy number.

55551544343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55551544343 - 2¹⁴ = 55551527959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55551544294 and 55551544303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551544303) 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, 40195796 + ... + 40197177.

It is an arithmetic number, because the mean of its divisors is an integer number (13907984502).

Almost surely, 2^55551544343 is an apocalyptic number.

55551544343 is a deficient number, since it is larger than the sum of its proper divisors (80393665).

55551544343 is an equidigital number, since it uses as much as digits as its factorization.

55551544343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80393664.

The product of its digits is 1800000, while the sum is 44.

The spelling of 55551544343 in words is "fifty-five billion, five hundred fifty-one million, five hundred forty-four thousand, three hundred forty-three".