53662128 has 80 divisors (see below), whose sum is σ = 155823360. Its totient is φ = 15789312.

The previous prime is 53662111. The next prime is 53662139. The reversal of 53662128 is 82126635.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (1947792).

Almost surely, 2^53662128 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 53662128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77911680).

53662128 is an abundant number, since it is smaller than the sum of its proper divisors (102161232).

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

53662128 is a wasteful number, since it uses less digits than its factorization.

53662128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786 (or 3780 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 53662128 is about 7325.4438773360. The cubic root of 53662128 is about 377.1863464870.

The spelling of 53662128 in words is "fifty-three million, six hundred sixty-two thousand, one hundred twenty-eight".