545573620 has 24 divisors (see below), whose sum is σ = 1146247200. Its totient is φ = 218126112.

The previous prime is 545573597. The next prime is 545573653. The reversal of 545573620 is 26375545.

It is a self number, because there is not a number n which added to its sum of digits gives 545573620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48051 + ... + 58309.

It is an arithmetic number, because the mean of its divisors is an integer number (47760300).

Almost surely, 2^545573620 is an apocalyptic number.

It is an amenable number.

545573620 is an abundant number, since it is smaller than the sum of its proper divisors (600673580).

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

545573620 is a wasteful number, since it uses less digits than its factorization.

545573620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12925 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The square root of 545573620 is about 23357.5174194519. The cubic root of 545573620 is about 817.1173918080.

The spelling of 545573620 in words is "five hundred forty-five million, five hundred seventy-three thousand, six hundred twenty".