53501525504 has 80 divisors (see below), whose sum is σ = 123543208800. Its totient is φ = 22671458304.

The previous prime is 53501525443. The next prime is 53501525507. The reversal of 53501525504 is 40552510535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501525507) 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, 235112 + ... + 402840.

It is an arithmetic number, because the mean of its divisors is an integer number (1544290110).

Almost surely, 2^53501525504 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 53501525504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61771604400).

53501525504 is an abundant number, since it is smaller than the sum of its proper divisors (70041683296).

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

53501525504 is an equidigital number, since it uses as much as digits as its factorization.

53501525504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167843 (or 167827 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 53501525504 in words is "fifty-three billion, five hundred one million, five hundred twenty-five thousand, five hundred four".