553428885581 has 8 divisors (see below), whose sum is σ = 650182187424. Its totient is φ = 464415847920.

The previous prime is 553428885563. The next prime is 553428885587. The reversal of 553428885581 is 185588824355.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 553428885581 - 2¹⁴ = 553428869197 is a prime.

It is a super-2 number, since 2×553428885581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553428885587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935065891 + ... + 1935066176.

It is an arithmetic number, because the mean of its divisors is an integer number (81272773428).

Almost surely, 2^553428885581 is an apocalyptic number.

It is an amenable number.

553428885581 is a deficient number, since it is larger than the sum of its proper divisors (96753301843).

553428885581 is a wasteful number, since it uses less digits than its factorization.

553428885581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870132091.

The product of its digits is 61440000, while the sum is 62.

The spelling of 553428885581 in words is "five hundred fifty-three billion, four hundred twenty-eight million, eight hundred eighty-five thousand, five hundred eighty-one".