53721025728484 has 24 divisors (see below), whose sum is σ = 96035695580160. Its totient is φ = 26284902050784.

The previous prime is 53721025728481. The next prime is 53721025728511. The reversal of 53721025728484 is 48482752012735.

It is not an unprimeable number, because it can be changed into a prime (53721025728481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330729594 + ... + 330891985.

It is an arithmetic number, because the mean of its divisors is an integer number (4001487315840).

Almost surely, 2^{53721025728484} is an apocalyptic number.

It is an amenable number.

53721025728484 is a deficient number, since it is larger than the sum of its proper divisors (42314669851676).

53721025728484 is a wasteful number, since it uses less digits than its factorization.

53721025728484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661622019 (or 661622017 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 58.

The spelling of 53721025728484 in words is "fifty-three trillion, seven hundred twenty-one billion, twenty-five million, seven hundred twenty-eight thousand, four hundred eighty-four".