52909197 has 16 divisors (see below), whose sum is σ = 77552640. Its totient is φ = 31818800.

The previous prime is 52909189. The next prime is 52909201. The reversal of 52909197 is 79190925.

52909197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52909197 - 2³ = 52909189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52909127) 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 15 ways as a sum of consecutive naturals, for example, 1797 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (4847040).

Almost surely, 2^52909197 is an apocalyptic number.

It is an amenable number.

52909197 is a deficient number, since it is larger than the sum of its proper divisors (24643443).

52909197 is a wasteful number, since it uses less digits than its factorization.

52909197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 52909197 is about 7273.8708402061. The cubic root of 52909197 is about 375.4139358065.

The spelling of 52909197 in words is "fifty-two million, nine hundred nine thousand, one hundred ninety-seven".