52200561 has 16 divisors (see below), whose sum is σ = 79653888. Its totient is φ = 29787600.

The previous prime is 52200541. The next prime is 52200569. The reversal of 52200561 is 16500225.

It is not a de Polignac number, because 52200561 - 2⁵ = 52200529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (52200569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20446 + ... + 22856.

It is an arithmetic number, because the mean of its divisors is an integer number (4978368).

Almost surely, 2^52200561 is an apocalyptic number.

It is an amenable number.

52200561 is a deficient number, since it is larger than the sum of its proper divisors (27453327).

52200561 is a wasteful number, since it uses less digits than its factorization.

52200561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52200561 is about 7224.9955709329. The cubic root of 52200561 is about 373.7303693973.

Adding to 52200561 its reverse (16500225), we get a palindrome (68700786).

The spelling of 52200561 in words is "fifty-two million, two hundred thousand, five hundred sixty-one".