54577520 has 20 divisors (see below), whose sum is σ = 126892920. Its totient is φ = 21830976.

The previous prime is 54577513. The next prime is 54577571. The reversal of 54577520 is 2577545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341030 + ... + 341189.

It is an arithmetic number, because the mean of its divisors is an integer number (6344646).

Almost surely, 2^54577520 is an apocalyptic number.

It is an amenable number.

54577520 is an abundant number, since it is smaller than the sum of its proper divisors (72315400).

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

54577520 is a wasteful number, since it uses less digits than its factorization.

54577520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682232 (or 682226 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 54577520 is about 7387.6599813473. The cubic root of 54577520 is about 379.3190019189.

The spelling of 54577520 in words is "fifty-four million, five hundred seventy-seven thousand, five hundred twenty".