52533396 has 18 divisors (see below), whose sum is σ = 132792842. Its totient is φ = 17511120.

The previous prime is 52533389. The next prime is 52533431. The reversal of 52533396 is 69333525.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 13220496 = 6270^2 + 3636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1459261 = 52533396 / (5 + 2 + 5 + 3 + 3 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 52533396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729595 + ... + 729666.

Almost surely, 2^52533396 is an apocalyptic number.

It is an amenable number.

52533396 is an abundant number, since it is smaller than the sum of its proper divisors (80259446).

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

52533396 is a wasteful number, since it uses less digits than its factorization.

52533396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459271 (or 1459266 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 52533396 is about 7247.9925496650. The cubic root of 52533396 is about 374.5229988437.

It can be divided in two parts, 5253 and 3396, that added together give a square (8649 = 93²).

The spelling of 52533396 in words is "fifty-two million, five hundred thirty-three thousand, three hundred ninety-six".