52162128 has 30 divisors (see below), whose sum is σ = 145981914. Its totient is φ = 17387328.

The previous prime is 52162109. The next prime is 52162129. The reversal of 52162128 is 82126125.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47444544 + 4717584 = 6888^2 + 2172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52162129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180975 + ... + 181262.

Almost surely, 2^52162128 is an apocalyptic number.

It is an amenable number.

52162128 is an abundant number, since it is smaller than the sum of its proper divisors (93819786).

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

52162128 is a wasteful number, since it uses less digits than its factorization.

52162128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362251 (or 362242 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 52162128 is about 7222.3353563788. The cubic root of 52162128 is about 373.6386264125.

The spelling of 52162128 in words is "fifty-two million, one hundred sixty-two thousand, one hundred twenty-eight".