53189617 has 8 divisors (see below), whose sum is σ = 60650856. Its totient is φ = 46209792.

The previous prime is 53189557. The next prime is 53189627. The reversal of 53189617 is 71698135.

It can be written as a sum of positive squares in 4 ways, for example, as 13133376 + 40056241 = 3624^2 + 6329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53189617 - 2¹⁵ = 53156849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53189617.

It is not an unprimeable number, because it can be changed into a prime (53189627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120118 + ... + 120559.

It is an arithmetic number, because the mean of its divisors is an integer number (7581357).

Almost surely, 2^53189617 is an apocalyptic number.

It is an amenable number.

53189617 is a deficient number, since it is larger than the sum of its proper divisors (7461239).

53189617 is a wasteful number, since it uses less digits than its factorization.

53189617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240707.

The product of its digits is 45360, while the sum is 40.

The square root of 53189617 is about 7293.1212111139. The cubic root of 53189617 is about 376.0760017823.

The spelling of 53189617 in words is "fifty-three million, one hundred eighty-nine thousand, six hundred seventeen".