53642089 has 4 divisors (see below), whose sum is σ = 56797524. Its totient is φ = 50486656.

The previous prime is 53642081. The next prime is 53642093. The reversal of 53642089 is 98024635.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38688400 + 14953689 = 6220^2 + 3867^2 .

It is a cyclic number.

It is not a de Polignac number, because 53642089 - 2³ = 53642081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53642081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577692 + ... + 1577725.

It is an arithmetic number, because the mean of its divisors is an integer number (14199381).

Almost surely, 2^53642089 is an apocalyptic number.

It is an amenable number.

53642089 is a deficient number, since it is larger than the sum of its proper divisors (3155435).

53642089 is a wasteful number, since it uses less digits than its factorization.

53642089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155434.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 53642089 is about 7324.0759826752. The cubic root of 53642089 is about 377.1393898559.

The spelling of 53642089 in words is "fifty-three million, six hundred forty-two thousand, eighty-nine".