545845587 has 16 divisors (see below), whose sum is σ = 852052992. Its totient is φ = 304303680.

The previous prime is 545845579. The next prime is 545845603. The reversal of 545845587 is 785548545.

It is not a de Polignac number, because 545845587 - 2³ = 545845579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545845577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316123 + ... + 317844.

It is an arithmetic number, because the mean of its divisors is an integer number (53253312).

Almost surely, 2^545845587 is an apocalyptic number.

545845587 is a deficient number, since it is larger than the sum of its proper divisors (306207405).

545845587 is a wasteful number, since it uses less digits than its factorization.

545845587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634018.

The product of its digits is 4480000, while the sum is 51.

The square root of 545845587 is about 23363.3385242777. The cubic root of 545845587 is about 817.2531462023.

The spelling of 545845587 in words is "five hundred forty-five million, eight hundred forty-five thousand, five hundred eighty-seven".