53367621 has 8 divisors (see below), whose sum is σ = 71515200. Its totient is φ = 35399232.

The previous prime is 53367617. The next prime is 53367649. The reversal of 53367621 is 12676335.

53367621 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 not a de Polignac number, because 53367621 - 2² = 53367617 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53367121) 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, 44100 + ... + 45293.

It is an arithmetic number, because the mean of its divisors is an integer number (8939400).

Almost surely, 2^53367621 is an apocalyptic number.

It is an amenable number.

53367621 is a deficient number, since it is larger than the sum of its proper divisors (18147579).

53367621 is a wasteful number, since it uses less digits than its factorization.

53367621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89595.

The product of its digits is 22680, while the sum is 33.

The square root of 53367621 is about 7305.3145722823. The cubic root of 53367621 is about 376.4950590965.

The spelling of 53367621 in words is "fifty-three million, three hundred sixty-seven thousand, six hundred twenty-one".