553242541361 has 4 divisors (see below), whose sum is σ = 566736261924. Its totient is φ = 539748820800.

The previous prime is 553242541349. The next prime is 553242541391. The reversal of 553242541361 is 163145242355.

553242541361 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 96646374400 + 456596166961 = 310880^2 + 675719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553242541361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 13493720521 = 553242541361 / (5 + 5 + 3 + 2 + 4 + 2 + 5 + 4 + 1 + 3 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553242541331) 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, 6746860220 + ... + 6746860301.

It is an arithmetic number, because the mean of its divisors is an integer number (141684065481).

Almost surely, 2^553242541361 is an apocalyptic number.

It is an amenable number.

553242541361 is a deficient number, since it is larger than the sum of its proper divisors (13493720563).

553242541361 is a wasteful number, since it uses less digits than its factorization.

553242541361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493720562.

The product of its digits is 432000, while the sum is 41.

The spelling of 553242541361 in words is "five hundred fifty-three billion, two hundred forty-two million, five hundred forty-one thousand, three hundred sixty-one".