545525545 has 16 divisors (see below), whose sum is σ = 660718080. Its totient is φ = 432379584.

The previous prime is 545525537. The next prime is 545525557.

545525545 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 545525545 - 2³ = 545525537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545525498 and 545525507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343824 + ... + 345406.

It is an arithmetic number, because the mean of its divisors is an integer number (41294880).

Almost surely, 2^545525545 is an apocalyptic number.

It is an amenable number.

545525545 is a deficient number, since it is larger than the sum of its proper divisors (115192535).

545525545 is a wasteful number, since it uses less digits than its factorization.

545525545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184.

The product of its digits is 500000, while the sum is 40.

The square root of 545525545 is about 23356.4882848428. The cubic root of 545525545 is about 817.0933901144.

The spelling of 545525545 in words is "five hundred forty-five million, five hundred twenty-five thousand, five hundred forty-five".