54501520 has 40 divisors (see below), whose sum is σ = 127920384. Its totient is φ = 21593472.

The previous prime is 54501509. The next prime is 54501563. The reversal of 54501520 is 2510545.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 54501491 and 54501500.

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, 5377 + ... + 11743.

Almost surely, 2^54501520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54501520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63960192).

54501520 is an abundant number, since it is smaller than the sum of its proper divisors (73418864).

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

54501520 is a wasteful number, since it uses less digits than its factorization.

54501520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 54501520 is about 7382.5144767891. The cubic root of 54501520 is about 379.1428510314.

The spelling of 54501520 in words is "fifty-four million, five hundred one thousand, five hundred twenty".