53681527872 has 420 divisors, whose sum is σ = 188455970560. Its totient is φ = 14800278528.

The previous prime is 53681527853. The next prime is 53681527883. The reversal of 53681527872 is 27872518635.

53681527872 is a `hidden beast` number, since 5 + 36 + 8 + 1 + 527 + 87 + 2 = 666.

53681527872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

Its product of digits (5644800) is a multiple of the sum of its prime divisors (1800).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 30517329 + ... + 30519087.

Almost surely, 2^53681527872 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 53681527872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94227985280).

53681527872 is an abundant number, since it is smaller than the sum of its proper divisors (134774442688).

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

53681527872 is a wasteful number, since it uses less digits than its factorization.

53681527872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1800 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 53681527872 in words is "fifty-three billion, six hundred eighty-one million, five hundred twenty-seven thousand, eight hundred seventy-two".