53669232 has 60 divisors (see below), whose sum is σ = 152769240. Its totient is φ = 17583744.

The previous prime is 53669207. The next prime is 53669233. The reversal of 53669232 is 23296635.

53669232 is a `hidden beast` number, since 536 + 6 + 92 + 32 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (53669233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5338 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (2546154).

Almost surely, 2^53669232 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 53669232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76384620).

53669232 is an abundant number, since it is smaller than the sum of its proper divisors (99100008).

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

53669232 is a wasteful number, since it uses less digits than its factorization.

53669232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6381 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 53669232 is about 7325.9287465822. The cubic root of 53669232 is about 377.2029902149.

The spelling of 53669232 in words is "fifty-three million, six hundred sixty-nine thousand, two hundred thirty-two".