53559971 has 8 divisors (see below), whose sum is σ = 55394304. Its totient is φ = 51732360.

The previous prime is 53559967. The next prime is 53559973. The reversal of 53559971 is 17995535.

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 53559971 - 2² = 53559967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53559973) 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, 18590 + ... + 21276.

It is an arithmetic number, because the mean of its divisors is an integer number (6924288).

Almost surely, 2^53559971 is an apocalyptic number.

53559971 is a deficient number, since it is larger than the sum of its proper divisors (1834333).

53559971 is a wasteful number, since it uses less digits than its factorization.

53559971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its digits is 212625, while the sum is 44.

The square root of 53559971 is about 7318.4678041240. The cubic root of 53559971 is about 376.9468436054.

It can be divided in two parts, 535 and 59971, that added together give a palindrome (60506).

The spelling of 53559971 in words is "fifty-three million, five hundred fifty-nine thousand, nine hundred seventy-one".