545638524 has 48 divisors (see below), whose sum is σ = 1307940480. Its totient is φ = 176944320.

The previous prime is 545638507. The next prime is 545638547. The reversal of 545638524 is 425836545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136839 + ... + 140769.

It is an arithmetic number, because the mean of its divisors is an integer number (27248760).

Almost surely, 2^545638524 is an apocalyptic number.

It is an amenable number.

545638524 is an abundant number, since it is smaller than the sum of its proper divisors (762301956).

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

545638524 is a wasteful number, since it uses less digits than its factorization.

545638524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250 (or 4248 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The square root of 545638524 is about 23358.9067381160. The cubic root of 545638524 is about 817.1497932306.

The spelling of 545638524 in words is "five hundred forty-five million, six hundred thirty-eight thousand, five hundred twenty-four".