52200369 has 40 divisors (see below), whose sum is σ = 85072680. Its totient is φ = 31705344.

The previous prime is 52200367. The next prime is 52200371. The reversal of 52200369 is 96300225.

It is an interprime number because it is at equal distance from previous prime (52200367) and next prime (52200371).

It can be written as a sum of positive squares in 4 ways, for example, as 2286144 + 49914225 = 1512^2 + 7065^2 .

It is not a de Polignac number, because 52200369 - 2¹ = 52200367 is a prime.

It is a super-2 number, since 2×52200369² = 5449757047472322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52200361) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93439 + ... + 93995.

It is an arithmetic number, because the mean of its divisors is an integer number (2126817).

Almost surely, 2^52200369 is an apocalyptic number.

It is an amenable number.

52200369 is a deficient number, since it is larger than the sum of its proper divisors (32872311).

52200369 is a wasteful number, since it uses less digits than its factorization.

52200369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 52200369 is about 7224.9822837153. The cubic root of 52200369 is about 373.7299111882.

The spelling of 52200369 in words is "fifty-two million, two hundred thousand, three hundred sixty-nine".