53666732132 has 54 divisors (see below), whose sum is σ = 107728889814. Its totient is φ = 23301457920.

The previous prime is 53666732123. The next prime is 53666732137. The reversal of 53666732132 is 23123766635.

53666732132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 12666151936 + 41000580196 = 112544^2 + 202486^2 .

It is not an unprimeable number, because it can be changed into a prime (53666732137) 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, 24833132 + ... + 24835292.

It is an arithmetic number, because the mean of its divisors is an integer number (1994979441).

Almost surely, 2^53666732132 is an apocalyptic number.

53666732132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53666732132 is an abundant number, since it is smaller than the sum of its proper divisors (54062157682).

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

53666732132 is a wasteful number, since it uses less digits than its factorization.

53666732132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 2193 counting only the distinct ones).

The product of its digits is 816480, while the sum is 44.

The spelling of 53666732132 in words is "fifty-three billion, six hundred sixty-six million, seven hundred thirty-two thousand, one hundred thirty-two".