545532540523431 has 16 divisors (see below), whose sum is σ = 734859272294400. Its totient is φ = 359966221512480.

The previous prime is 545532540523393. The next prime is 545532540523447. The reversal of 545532540523431 is 134325045235545.

It is not a de Polignac number, because 545532540523431 - 2¹⁰ = 545532540522407 is a prime.

It is a super-2 number, since 2×545532540523431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545532540523631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392006000 + ... + 2392234053.

It is an arithmetic number, because the mean of its divisors is an integer number (45928704518400).

Almost surely, 2^{545532540523431} is an apocalyptic number.

545532540523431 is a deficient number, since it is larger than the sum of its proper divisors (189326731770969).

545532540523431 is a wasteful number, since it uses less digits than its factorization.

545532540523431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784240446.

The product of its (nonzero) digits is 21600000, while the sum is 51.

Adding to 545532540523431 its reverse (134325045235545), we get a palindrome (679857585758976).

The spelling of 545532540523431 in words is "five hundred forty-five trillion, five hundred thirty-two billion, five hundred forty million, five hundred twenty-three thousand, four hundred thirty-one".