550024421401 has 16 divisors (see below), whose sum is σ = 698790335488. Its totient is φ = 421145956800.

The previous prime is 550024421399. The next prime is 550024421407. The reversal of 550024421401 is 104124420055.

It is a cyclic number.

It is not a de Polignac number, because 550024421401 - 2¹ = 550024421399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550024421401.

It is not an unprimeable number, because it can be changed into a prime (550024421407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97484670 + ... + 97490311.

It is an arithmetic number, because the mean of its divisors is an integer number (43674395968).

Almost surely, 2^550024421401 is an apocalyptic number.

It is an amenable number.

550024421401 is a deficient number, since it is larger than the sum of its proper divisors (148765914087).

550024421401 is a wasteful number, since it uses less digits than its factorization.

550024421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194975032.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 550024421401 its reverse (104124420055), we get a palindrome (654148841456).

The spelling of 550024421401 in words is "five hundred fifty billion, twenty-four million, four hundred twenty-one thousand, four hundred one".