53156128 has 24 divisors (see below), whose sum is σ = 109202688. Its totient is φ = 25422144.

The previous prime is 53156123. The next prime is 53156141. The reversal of 53156128 is 82165135.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53156128.

It is not an unprimeable number, because it can be changed into a prime (53156123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35376 + ... + 36847.

It is an arithmetic number, because the mean of its divisors is an integer number (4550112).

Almost surely, 2^53156128 is an apocalyptic number.

It is an amenable number.

53156128 is an abundant number, since it is smaller than the sum of its proper divisors (56046560).

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

53156128 is a wasteful number, since it uses less digits than its factorization.

53156128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72256 (or 72248 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 53156128 is about 7290.8249190335. The cubic root of 53156128 is about 375.9970574691.

The spelling of 53156128 in words is "fifty-three million, one hundred fifty-six thousand, one hundred twenty-eight".