545620063 has 4 divisors (see below), whose sum is σ = 547694928. Its totient is φ = 543545200.

The previous prime is 545620037. The next prime is 545620129. The reversal of 545620063 is 360026545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360026545 = 5 ⋅72005309.

It is a cyclic number.

It is not a de Polignac number, because 545620063 - 2¹⁷ = 545488991 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545620013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1037038 + ... + 1037563.

It is an arithmetic number, because the mean of its divisors is an integer number (136923732).

Almost surely, 2^545620063 is an apocalyptic number.

545620063 is a deficient number, since it is larger than the sum of its proper divisors (2074865).

545620063 is a wasteful number, since it uses less digits than its factorization.

545620063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074864.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 545620063 is about 23358.5115750127. The cubic root of 545620063 is about 817.1405773781.

The spelling of 545620063 in words is "five hundred forty-five million, six hundred twenty thousand, sixty-three".