53365632 has 64 divisors (see below), whose sum is σ = 146357760. Its totient is φ = 17210880.

The previous prime is 53365607. The next prime is 53365643. The reversal of 53365632 is 23656335.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 53365593 and 53365602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9663 + ... + 14145.

It is an arithmetic number, because the mean of its divisors is an integer number (2286840).

Almost surely, 2^53365632 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 53365632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73178880).

53365632 is an abundant number, since it is smaller than the sum of its proper divisors (92992128).

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

53365632 is a wasteful number, since it uses less digits than its factorization.

53365632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531 (or 4519 counting only the distinct ones).

The product of its digits is 48600, while the sum is 33.

The square root of 53365632 is about 7305.1784372457. The cubic root of 53365632 is about 376.4903817412.

The spelling of 53365632 in words is "fifty-three million, three hundred sixty-five thousand, six hundred thirty-two".