545421515333 has 16 divisors (see below), whose sum is σ = 579328796160. Its totient is φ = 511717936896.

The previous prime is 545421515293. The next prime is 545421515347. The reversal of 545421515333 is 333515124545.

It is a cyclic number.

It is not a de Polignac number, because 545421515333 - 2¹⁸ = 545421253189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545421511333) 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, 18031460 + ... + 18061682.

It is an arithmetic number, because the mean of its divisors is an integer number (36208049760).

Almost surely, 2^545421515333 is an apocalyptic number.

It is an amenable number.

545421515333 is a deficient number, since it is larger than the sum of its proper divisors (33907280827).

545421515333 is a wasteful number, since it uses less digits than its factorization.

545421515333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33556.

The product of its digits is 540000, while the sum is 41.

Adding to 545421515333 its reverse (333515124545), we get a palindrome (878936639878).

The spelling of 545421515333 in words is "five hundred forty-five billion, four hundred twenty-one million, five hundred fifteen thousand, three hundred thirty-three".