53532563400 has 144 divisors (see below), whose sum is σ = 180785638800. Its totient is φ = 14195514240.

The previous prime is 53532563353. The next prime is 53532563431. The reversal of 53532563400 is 436523535.

53532563400 is a `hidden beast` number, since 5 + 3 + 53 + 2 + 563 + 40 + 0 = 666.

53532563400 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 (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 239127 + ... + 405273.

It is an arithmetic number, because the mean of its divisors is an integer number (1255455825).

Almost surely, 2^53532563400 is an apocalyptic number.

53532563400 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 53532563400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90392819400).

53532563400 is an abundant number, since it is smaller than the sum of its proper divisors (127253075400).

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

53532563400 is a wasteful number, since it uses less digits than its factorization.

53532563400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166348 (or 166336 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 53532563400 in words is "fifty-three billion, five hundred thirty-two million, five hundred sixty-three thousand, four hundred".