55321723450426 has 8 divisors (see below), whose sum is σ = 83616040024704. Its totient is φ = 27449710108860.

The previous prime is 55321723450421. The next prime is 55321723450489. The reversal of 55321723450426 is 62405432712355.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55321723450426.

It is not an unprimeable number, because it can be changed into a prime (55321723450421) 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, 105575807850 + ... + 105575808373.

It is an arithmetic number, because the mean of its divisors is an integer number (10452005003088).

Almost surely, 2^{55321723450426} is an apocalyptic number.

55321723450426 is a deficient number, since it is larger than the sum of its proper divisors (28294316574278).

55321723450426 is a wasteful number, since it uses less digits than its factorization.

55321723450426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211151616356.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 55321723450426 in words is "fifty-five trillion, three hundred twenty-one billion, seven hundred twenty-three million, four hundred fifty thousand, four hundred twenty-six".