544210421005553 has 16 divisors (see below), whose sum is σ = 576322202413440. Its totient is φ = 512109689008896.

The previous prime is 544210421005501. The next prime is 544210421005567. The reversal of 544210421005553 is 355500124012445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 544210421005553 - 2³⁸ = 543935543098609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 544210421005553.

It is not an unprimeable number, because it can be changed into a prime (544210421305553) 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, 7770070508 + ... + 7770140546.

It is an arithmetic number, because the mean of its divisors is an integer number (36020137650840).

Almost surely, 2^{544210421005553} is an apocalyptic number.

It is an amenable number.

544210421005553 is a deficient number, since it is larger than the sum of its proper divisors (32111781407887).

544210421005553 is a wasteful number, since it uses less digits than its factorization.

544210421005553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142376.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 544210421005553 its reverse (355500124012445), we get a palindrome (899710545017998).

The spelling of 544210421005553 in words is "five hundred forty-four trillion, two hundred ten billion, four hundred twenty-one million, five thousand, five hundred fifty-three".