545671580 has 12 divisors (see below), whose sum is σ = 1145910360. Its totient is φ = 218268624.

The previous prime is 545671571. The next prime is 545671601. The reversal of 545671580 is 85176545.

It is a super-3 number, since 3×545671580³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 13641770 + ... + 13641809.

It is an arithmetic number, because the mean of its divisors is an integer number (95492530).

Almost surely, 2^545671580 is an apocalyptic number.

It is an amenable number.

545671580 is an abundant number, since it is smaller than the sum of its proper divisors (600238780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545671580 is a wasteful number, since it uses less digits than its factorization.

545671580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27283588 (or 27283586 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 545671580 is about 23359.6142947609. The cubic root of 545671580 is about 817.1662944837.

The spelling of 545671580 in words is "five hundred forty-five million, six hundred seventy-one thousand, five hundred eighty".