545515433 has 4 divisors (see below), whose sum is σ = 564326340. Its totient is φ = 526704528.

The previous prime is 545515429. The next prime is 545515469. The reversal of 545515433 is 334515545.

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 414000409 + 131515024 = 20347^2 + 11468^2 .

It is a cyclic number.

It is not a de Polignac number, because 545515433 - 2² = 545515429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545515393 and 545515402.

It is not an unprimeable number, because it can be changed into a prime (545515423) 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, 9405410 + ... + 9405467.

It is an arithmetic number, because the mean of its divisors is an integer number (141081585).

Almost surely, 2^545515433 is an apocalyptic number.

It is an amenable number.

545515433 is a deficient number, since it is larger than the sum of its proper divisors (18810907).

545515433 is a wasteful number, since it uses less digits than its factorization.

545515433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18810906.

The product of its digits is 90000, while the sum is 35.

The square root of 545515433 is about 23356.2718129414. The cubic root of 545515433 is about 817.0883414664.

The spelling of 545515433 in words is "five hundred forty-five million, five hundred fifteen thousand, four hundred thirty-three".