545834590 has 32 divisors (see below), whose sum is σ = 1127265984. Its totient is φ = 186408960.

The previous prime is 545834587. The next prime is 545834591. The reversal of 545834590 is 95438545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545834591) 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, 2820 + ... + 33160.

It is an arithmetic number, because the mean of its divisors is an integer number (35227062).

Almost surely, 2^545834590 is an apocalyptic number.

545834590 is an abundant number, since it is smaller than the sum of its proper divisors (581431394).

545834590 is a wasteful number, since it uses less digits than its factorization.

545834590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30612.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 545834590 is about 23363.1031757342. The cubic root of 545834590 is about 817.2476578411.

The spelling of 545834590 in words is "five hundred forty-five million, eight hundred thirty-four thousand, five hundred ninety".