53969018575488 has 128 divisors (see below), whose sum is σ = 143712998246400. Its totient is φ = 17944791321600.

The previous prime is 53969018575481. The next prime is 53969018575489. The reversal of 53969018575488 is 88457581096935.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (53969018575481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834587445 + ... + 834652107.

It is an arithmetic number, because the mean of its divisors is an integer number (1122757798800).

Almost surely, 2^{53969018575488} 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 53969018575488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71856499123200).

53969018575488 is an abundant number, since it is smaller than the sum of its proper divisors (89743979670912).

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

53969018575488 is a wasteful number, since it uses less digits than its factorization.

53969018575488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70070 (or 70058 counting only the distinct ones).

The product of its (nonzero) digits is 2612736000, while the sum is 78.

The spelling of 53969018575488 in words is "fifty-three trillion, nine hundred sixty-nine billion, eighteen million, five hundred seventy-five thousand, four hundred eighty-eight".