53287969 has 8 divisors (see below), whose sum is σ = 61034688. Its totient is φ = 45574800.

The previous prime is 53287967. The next prime is 53287999. The reversal of 53287969 is 96978235.

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 53287969 - 2¹ = 53287967 is a prime.

It is a super-2 number, since 2×53287969² = 5679215280289922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53287961) 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, 4882 + ... + 11419.

It is an arithmetic number, because the mean of its divisors is an integer number (7629336).

Almost surely, 2^53287969 is an apocalyptic number.

It is an amenable number.

53287969 is a deficient number, since it is larger than the sum of its proper divisors (7746719).

53287969 is a wasteful number, since it uses less digits than its factorization.

53287969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775.

The product of its digits is 816480, while the sum is 49.

The square root of 53287969 is about 7299.8608890855. The cubic root of 53287969 is about 376.3076575988.

The spelling of 53287969 in words is "fifty-three million, two hundred eighty-seven thousand, nine hundred sixty-nine".