55422003543 has 4 divisors (see below), whose sum is σ = 73896004728. Its totient is φ = 36948002360.

The previous prime is 55422003541. The next prime is 55422003551. The reversal of 55422003543 is 34530022455.

It is a happy number.

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 55422003543 - 2¹ = 55422003541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55422003541) 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, 9237000588 + ... + 9237000593.

It is an arithmetic number, because the mean of its divisors is an integer number (18474001182).

Almost surely, 2^55422003543 is an apocalyptic number.

55422003543 is a deficient number, since it is larger than the sum of its proper divisors (18474001185).

55422003543 is a wasteful number, since it uses less digits than its factorization.

55422003543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18474001184.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 55422003543 its reverse (34530022455), we get a palindrome (89952025998).

The spelling of 55422003543 in words is "fifty-five billion, four hundred twenty-two million, three thousand, five hundred forty-three".