53220383 has 4 divisors (see below), whose sum is σ = 53235600. Its totient is φ = 53205168.

The previous prime is 53220379. The next prime is 53220407. The reversal of 53220383 is 38302235.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53220383 - 2² = 53220379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (13308900).

Almost surely, 2^53220383 is an apocalyptic number.

53220383 is a deficient number, since it is larger than the sum of its proper divisors (15217).

53220383 is an equidigital number, since it uses as much as digits as its factorization.

53220383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 53220383 is about 7295.2301540116. The cubic root of 53220383 is about 376.1484979122.

The spelling of 53220383 in words is "fifty-three million, two hundred twenty thousand, three hundred eighty-three".