545588540 has 36 divisors (see below), whose sum is σ = 1332797256. Its totient is φ = 187058592.

The previous prime is 545588539. The next prime is 545588557. The reversal of 545588540 is 45885545.

It is a junction number, because it is equal to n+sod(n) for n = 545588491 and 545588500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277382 + ... + 279341.

It is an arithmetic number, because the mean of its divisors is an integer number (37022146).

Almost surely, 2^545588540 is an apocalyptic number.

It is an amenable number.

545588540 is an abundant number, since it is smaller than the sum of its proper divisors (787208716).

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

545588540 is a wasteful number, since it uses less digits than its factorization.

545588540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556746 (or 556737 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The square root of 545588540 is about 23357.8368005259. The cubic root of 545588540 is about 817.1248404088.

The spelling of 545588540 in words is "five hundred forty-five million, five hundred eighty-eight thousand, five hundred forty".