53252668 has 48 divisors (see below), whose sum is σ = 115763200. Its totient is φ = 20917440.

The previous prime is 53252663. The next prime is 53252669. The reversal of 53252668 is 86625235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53252663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14878 + ... + 18106.

Almost surely, 2^53252668 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 53252668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57881600).

53252668 is an abundant number, since it is smaller than the sum of its proper divisors (62510532).

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

53252668 is a wasteful number, since it uses less digits than its factorization.

53252668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3288 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 53252668 is about 7297.4425657212. The cubic root of 53252668 is about 376.2245433342.

The spelling of 53252668 in words is "fifty-three million, two hundred fifty-two thousand, six hundred sixty-eight".