53505374976 has 162 divisors, whose sum is σ = 156196566708. Its totient is φ = 17615016960.

The previous prime is 53505374971. The next prime is 53505374977. The reversal of 53505374976 is 67947350535.

53505374976 is a `hidden beast` number, since 5 + 35 + 0 + 537 + 4 + 9 + 76 = 666.

It is not an unprimeable number, because it can be changed into a prime (53505374971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15870571 + ... + 15873941.

Almost surely, 2^53505374976 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 53505374976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78098283354).

53505374976 is an abundant number, since it is smaller than the sum of its proper divisors (102691191732).

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

53505374976 is an equidigital number, since it uses as much as digits as its factorization.

53505374976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 11907000, while the sum is 54.

The spelling of 53505374976 in words is "fifty-three billion, five hundred five million, three hundred seventy-four thousand, nine hundred seventy-six".