53641569 has 8 divisors (see below), whose sum is σ = 71951040. Its totient is φ = 35546576.

The previous prime is 53641547. The next prime is 53641657. The reversal of 53641569 is 96514635.

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 53641569 - 2⁵ = 53641537 is a prime.

It is a super-2 number, since 2×53641569² = 5754835849563522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53641519) 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, 53034 + ... + 54035.

It is an arithmetic number, because the mean of its divisors is an integer number (8993880).

Almost surely, 2^53641569 is an apocalyptic number.

It is an amenable number.

53641569 is a deficient number, since it is larger than the sum of its proper divisors (18309471).

53641569 is a wasteful number, since it uses less digits than its factorization.

53641569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107239.

The product of its digits is 97200, while the sum is 39.

The square root of 53641569 is about 7324.0404832306. The cubic root of 53641569 is about 377.1381712039.

The spelling of 53641569 in words is "fifty-three million, six hundred forty-one thousand, five hundred sixty-nine".