53535536000 has 128 divisors (see below), whose sum is σ = 138890756160. Its totient is φ = 20483020800.

The previous prime is 53535535997. The next prime is 53535536051. The reversal of 53535536000 is 63553535.

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

It is a super-2 number, since 2×53535536000² (a number of 22 digits) contains 22 as substring.

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, 295262 + ... + 440738.

Almost surely, 2^53535536000 is an apocalyptic number.

53535536000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53535536000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69445378080).

53535536000 is an abundant number, since it is smaller than the sum of its proper divisors (85355220160).

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

53535536000 is a wasteful number, since it uses less digits than its factorization.

53535536000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145529 (or 145507 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 35.

The spelling of 53535536000 in words is "fifty-three billion, five hundred thirty-five million, five hundred thirty-six thousand".