545501506 has 16 divisors (see below), whose sum is σ = 893681568. Its totient is φ = 247665600.

The previous prime is 545501503. The next prime is 545501521. The reversal of 545501506 is 605105545.

It is not an unprimeable number, because it can be changed into a prime (545501501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 33466.

It is an arithmetic number, because the mean of its divisors is an integer number (55855098).

Almost surely, 2^545501506 is an apocalyptic number.

545501506 is a deficient number, since it is larger than the sum of its proper divisors (348180062).

545501506 is a wasteful number, since it uses less digits than its factorization.

545501506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28977.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 545501506 is about 23355.9736684215. The cubic root of 545501506 is about 817.0813879899.

The spelling of 545501506 in words is "five hundred forty-five million, five hundred one thousand, five hundred six".