52189061 has 4 divisors (see below), whose sum is σ = 52480800. Its totient is φ = 51897324.

The previous prime is 52189051. The next prime is 52189069. The reversal of 52189061 is 16098125.

52189061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52189061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52189069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145601 + ... + 145958.

It is an arithmetic number, because the mean of its divisors is an integer number (13120200).

Almost surely, 2^52189061 is an apocalyptic number.

It is an amenable number.

52189061 is a deficient number, since it is larger than the sum of its proper divisors (291739).

52189061 is a wasteful number, since it uses less digits than its factorization.

52189061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291738.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 52189061 is about 7224.1996788572. The cubic root of 52189061 is about 373.7029225984.

The spelling of 52189061 in words is "fifty-two million, one hundred eighty-nine thousand, sixty-one".