53602409 has 8 divisors (see below), whose sum is σ = 61360320. Its totient is φ = 45869616.

The previous prime is 53602403. The next prime is 53602421. The reversal of 53602409 is 90420635.

53602409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53602409 - 2¹² = 53598313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53602403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1454 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (7670040).

Almost surely, 2^53602409 is an apocalyptic number.

It is an amenable number.

53602409 is a deficient number, since it is larger than the sum of its proper divisors (7757911).

53602409 is a wasteful number, since it uses less digits than its factorization.

53602409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53602409 is about 7321.3666074033. The cubic root of 53602409 is about 377.0463746961.

The spelling of 53602409 in words is "fifty-three million, six hundred two thousand, four hundred nine".