54520540 has 24 divisors (see below), whose sum is σ = 114680160. Its totient is φ = 21772608.

The previous prime is 54520523. The next prime is 54520553. The reversal of 54520540 is 4502545.

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, 12801 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (4778340).

Almost surely, 2^54520540 is an apocalyptic number.

It is an amenable number.

54520540 is an abundant number, since it is smaller than the sum of its proper divisors (60159620).

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

54520540 is a wasteful number, since it uses less digits than its factorization.

54520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54520540 is about 7383.8025434054. The cubic root of 54520540 is about 379.1869504639.

The spelling of 54520540 in words is "fifty-four million, five hundred twenty thousand, five hundred forty".