53189465 has 16 divisors (see below), whose sum is σ = 73702272. Its totient is φ = 36094464.

The previous prime is 53189453. The next prime is 53189467. The reversal of 53189465 is 56498135.

It is not a de Polignac number, because 53189465 - 2⁶ = 53189401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53189467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4439 + ... + 11228.

It is an arithmetic number, because the mean of its divisors is an integer number (4606392).

Almost surely, 2^53189465 is an apocalyptic number.

It is an amenable number.

53189465 is a deficient number, since it is larger than the sum of its proper divisors (20512807).

53189465 is a wasteful number, since it uses less digits than its factorization.

53189465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15776.

The product of its digits is 129600, while the sum is 41.

The square root of 53189465 is about 7293.1107903281. The cubic root of 53189465 is about 376.0756435444.

The spelling of 53189465 in words is "fifty-three million, one hundred eighty-nine thousand, four hundred sixty-five".