545240652053 has 4 divisors (see below), whose sum is σ = 550242859980. Its totient is φ = 540238444128.

The previous prime is 545240651987. The next prime is 545240652059. The reversal of 545240652053 is 350256042545.

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 409858600804 + 135382051249 = 640202^2 + 367943^2 .

It is a cyclic number.

It is not a de Polignac number, because 545240652053 - 2¹⁸ = 545240389909 is a prime.

It is a super-2 number, since 2×545240652053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545240652053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545240652059) 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, 2501103800 + ... + 2501104017.

It is an arithmetic number, because the mean of its divisors is an integer number (137560714995).

Almost surely, 2^545240652053 is an apocalyptic number.

It is an amenable number.

545240652053 is a deficient number, since it is larger than the sum of its proper divisors (5002207927).

545240652053 is a wasteful number, since it uses less digits than its factorization.

545240652053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002207926.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 545240652053 its reverse (350256042545), we get a palindrome (895496694598).

The spelling of 545240652053 in words is "five hundred forty-five billion, two hundred forty million, six hundred fifty-two thousand, fifty-three".