545535545 has 16 divisors (see below), whose sum is σ = 672431760. Its totient is φ = 424627200.

The previous prime is 545535503. The next prime is 545535563.

545535545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 66275881 + 479259664 = 8141^2 + 21892^2 .

It is not a de Polignac number, because 545535545 - 2¹² = 545531449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76325 + ... + 83165.

It is an arithmetic number, because the mean of its divisors is an integer number (42026985).

Almost surely, 2^545535545 is an apocalyptic number.

It is an amenable number.

545535545 is a deficient number, since it is larger than the sum of its proper divisors (126896215).

545535545 is a wasteful number, since it uses less digits than its factorization.

545535545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276.

The product of its digits is 750000, while the sum is 41.

The square root of 545535545 is about 23356.7023571394. The cubic root of 545535545 is about 817.0983827825.

The spelling of 545535545 in words is "five hundred forty-five million, five hundred thirty-five thousand, five hundred forty-five".