54021565320528 has 40 divisors (see below), whose sum is σ = 150290765060128. Its totient is φ = 16622020098432.

The previous prime is 54021565320431. The next prime is 54021565320529. The reversal of 54021565320528 is 82502356512045.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021565320529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43286510050 + ... + 43286511297.

Almost surely, 2^{54021565320528} is an apocalyptic number.

It is an amenable number.

54021565320528 is an abundant number, since it is smaller than the sum of its proper divisors (96269199739600).

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

54021565320528 is a wasteful number, since it uses less digits than its factorization.

54021565320528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86573021371 (or 86573021365 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 54021565320528 in words is "fifty-four trillion, twenty-one billion, five hundred sixty-five million, three hundred twenty thousand, five hundred twenty-eight".