53621365 has 8 divisors (see below), whose sum is σ = 73537920. Its totient is φ = 36768912.

The previous prime is 53621353. The next prime is 53621371. The reversal of 53621365 is 56312635.

53621365 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 53621365 - 2⁵ = 53621333 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 765985 + ... + 766054.

It is an arithmetic number, because the mean of its divisors is an integer number (9192240).

Almost surely, 2^53621365 is an apocalyptic number.

It is an amenable number.

53621365 is a deficient number, since it is larger than the sum of its proper divisors (19916555).

53621365 is a wasteful number, since it uses less digits than its factorization.

53621365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532051.

The product of its digits is 16200, while the sum is 31.

The square root of 53621365 is about 7322.6610600246. The cubic root of 53621365 is about 377.0908157878.

The spelling of 53621365 in words is "fifty-three million, six hundred twenty-one thousand, three hundred sixty-five".