53559291 has 4 divisors (see below), whose sum is σ = 71412392. Its totient is φ = 35706192.

The previous prime is 53559287. The next prime is 53559343. The reversal of 53559291 is 19295535.

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

It is not a de Polignac number, because 53559291 - 2² = 53559287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53559991) 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, 8926546 + ... + 8926551.

It is an arithmetic number, because the mean of its divisors is an integer number (17853098).

Almost surely, 2^53559291 is an apocalyptic number.

53559291 is a deficient number, since it is larger than the sum of its proper divisors (17853101).

53559291 is a wasteful number, since it uses less digits than its factorization.

53559291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17853100.

The product of its digits is 60750, while the sum is 39.

The square root of 53559291 is about 7318.4213461648. The cubic root of 53559291 is about 376.9452483535.

The spelling of 53559291 in words is "fifty-three million, five hundred fifty-nine thousand, two hundred ninety-one".