52369236 has 18 divisors (see below), whose sum is σ = 132377882. Its totient is φ = 17456400.

The previous prime is 52369201. The next prime is 52369237. The reversal of 52369236 is 63296325.

It can be written as a sum of positive squares in only one way, i.e., 30802500 + 21566736 = 5550^2 + 4644^2 .

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: 1454701 = 52369236 / (5 + 2 + 3 + 6 + 9 + 2 + 3 + 6).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52369236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52369237) 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, 727315 + ... + 727386.

Almost surely, 2^52369236 is an apocalyptic number.

It is an amenable number.

52369236 is an abundant number, since it is smaller than the sum of its proper divisors (80008646).

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

52369236 is a wasteful number, since it uses less digits than its factorization.

52369236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454711 (or 1454706 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 52369236 is about 7236.6591739559. The cubic root of 52369236 is about 374.1324799716.

The spelling of 52369236 in words is "fifty-two million, three hundred sixty-nine thousand, two hundred thirty-six".