53641897 has 8 divisors (see below), whose sum is σ = 55360832. Its totient is φ = 51937200.

The previous prime is 53641871. The next prime is 53641901. The reversal of 53641897 is 79814635.

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 53641897 - 2¹⁹ = 53117609 is a prime.

It is a super-2 number, since 2×53641897² = 5754906227517218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53641397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4372 + ... + 11242.

It is an arithmetic number, because the mean of its divisors is an integer number (6920104).

Almost surely, 2^53641897 is an apocalyptic number.

It is an amenable number.

53641897 is a deficient number, since it is larger than the sum of its proper divisors (1718935).

53641897 is a wasteful number, since it uses less digits than its factorization.

53641897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119.

The product of its digits is 181440, while the sum is 43.

The square root of 53641897 is about 7324.0628752080. The cubic root of 53641897 is about 377.1389398930.

The spelling of 53641897 in words is "fifty-three million, six hundred forty-one thousand, eight hundred ninety-seven".