55030245534421 has 4 divisors (see below), whose sum is σ = 55030283993644. Its totient is φ = 55030207075200.

The previous prime is 55030245534419. The next prime is 55030245534463. The reversal of 55030245534421 is 12443554203055.

55030245534421 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 can be written as a sum of positive squares in 2 ways, for example, as 45193485212100 + 9836760322321 = 6722610^2 + 3136361^2 .

It is a cyclic number.

It is not a de Polignac number, because 55030245534421 - 2¹ = 55030245534419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030245534491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16996890 + ... + 19973851.

It is an arithmetic number, because the mean of its divisors is an integer number (13757570998411).

Almost surely, 2^{55030245534421} is an apocalyptic number.

It is an amenable number.

55030245534421 is a deficient number, since it is larger than the sum of its proper divisors (38459223).

55030245534421 is a wasteful number, since it uses less digits than its factorization.

55030245534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38459222.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 55030245534421 its reverse (12443554203055), we get a palindrome (67473799737476).

The spelling of 55030245534421 in words is "fifty-five trillion, thirty billion, two hundred forty-five million, five hundred thirty-four thousand, four hundred twenty-one".