53566632 has 96 divisors (see below), whose sum is σ = 173047680. Its totient is φ = 14636160.

The previous prime is 53566603. The next prime is 53566637. The reversal of 53566632 is 23666535.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9282 + ... + 13902.

It is an arithmetic number, because the mean of its divisors is an integer number (1802580).

Almost surely, 2^53566632 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 53566632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86523840).

53566632 is an abundant number, since it is smaller than the sum of its proper divisors (119481048).

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

53566632 is a wasteful number, since it uses less digits than its factorization.

53566632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663 (or 4656 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 53566632 is about 7318.9228715707. The cubic root of 53566632 is about 376.9624693224.

The spelling of 53566632 in words is "fifty-three million, five hundred sixty-six thousand, six hundred thirty-two".