53432856576 has 390 divisors, whose sum is σ = 175581260316. Its totient is φ = 16191774720.

The previous prime is 53432856559. The next prime is 53432856601. The reversal of 53432856576 is 67565823435.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

53432856576 is a `hidden beast` number, since 5 + 3 + 4 + 3 + 2 + 8 + 565 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (18144000) is a multiple of the sum of its prime divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 4857532411 + ... + 4857532421.

Almost surely, 2^53432856576 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 53432856576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87790630158).

53432856576 is an abundant number, since it is smaller than the sum of its proper divisors (122148403740).

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

53432856576 is an frugal number, since it uses more digits than its factorization.

53432856576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 16 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 53432856576 in words is "fifty-three billion, four hundred thirty-two million, eight hundred fifty-six thousand, five hundred seventy-six".