53233632 has 48 divisors (see below), whose sum is σ = 155267280. Its totient is φ = 17744256.

The previous prime is 53233619. The next prime is 53233633. The reversal of 53233632 is 23633235.

53233632 is a `hidden beast` number, since 5 + 3 + 23 + 3 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×53233632² = 5667639151822848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53233596 and 53233605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53233633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29943 + ... + 31670.

It is an arithmetic number, because the mean of its divisors is an integer number (3234735).

Almost surely, 2^53233632 is an apocalyptic number.

It is an amenable number.

53233632 is an abundant number, since it is smaller than the sum of its proper divisors (102033648).

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

53233632 is a wasteful number, since it uses less digits than its factorization.

53233632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61632 (or 61618 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 53233632 is about 7296.1381565867. The cubic root of 53233632 is about 376.1797088736.

Adding to 53233632 its reverse (23633235), we get a palindrome (76866867).

The spelling of 53233632 in words is "fifty-three million, two hundred thirty-three thousand, six hundred thirty-two".