53424665 has 24 divisors (see below), whose sum is σ = 74968512. Its totient is φ = 35802720.

The previous prime is 53424643. The next prime is 53424673. The reversal of 53424665 is 56642435.

It is a happy number.

53424665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53424665 - 2¹² = 53420569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76970 + ... + 77660.

It is an arithmetic number, because the mean of its divisors is an integer number (3123688).

Almost surely, 2^53424665 is an apocalyptic number.

It is an amenable number.

53424665 is a deficient number, since it is larger than the sum of its proper divisors (21543847).

53424665 is an equidigital number, since it uses as much as digits as its factorization.

53424665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 750 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 53424665 is about 7309.2178104090. The cubic root of 53424665 is about 376.6291549908.

The spelling of 53424665 in words is "fifty-three million, four hundred twenty-four thousand, six hundred sixty-five".