53513011548 has 216 divisors, whose sum is σ = 151017310080. Its totient is φ = 15928799040.

The previous prime is 53513011537. The next prime is 53513011579. The reversal of 53513011548 is 84511031535.

It is a happy number.

53513011548 is a `hidden beast` number, since 53 + 51 + 3 + 0 + 11 + 548 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25689315 + ... + 25691397.

Almost surely, 2^53513011548 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 53513011548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75508655040).

53513011548 is an abundant number, since it is smaller than the sum of its proper divisors (97504298532).

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

53513011548 is a wasteful number, since it uses less digits than its factorization.

53513011548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 53513011548 in words is "fifty-three billion, five hundred thirteen million, eleven thousand, five hundred forty-eight".