54554513520 has 80 divisors (see below), whose sum is σ = 182128155552. Its totient is φ = 13428802560.

The previous prime is 54554513491. The next prime is 54554513537. The reversal of 54554513520 is 2531545545.

54554513520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 8739591 + ... + 8745830.

Almost surely, 2^54554513520 is an apocalyptic number.

It is an amenable number.

54554513520 is an abundant number, since it is smaller than the sum of its proper divisors (127573642032).

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

54554513520 is a wasteful number, since it uses less digits than its factorization.

54554513520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17485450 (or 17485444 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 54554513520 in words is "fifty-four billion, five hundred fifty-four million, five hundred thirteen thousand, five hundred twenty".