53273481 has 8 divisors (see below), whose sum is σ = 71695584. Its totient is φ = 35183520.

The previous prime is 53273449. The next prime is 53273483. The reversal of 53273481 is 18437235.

53273481 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 53273481 - 2⁵ = 53273449 is a prime.

It is a super-2 number, since 2×53273481² = 5676127555714722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53273483) 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, 82660 + ... + 83301.

It is an arithmetic number, because the mean of its divisors is an integer number (8961948).

Almost surely, 2^53273481 is an apocalyptic number.

It is an amenable number.

53273481 is a deficient number, since it is larger than the sum of its proper divisors (18422103).

53273481 is a wasteful number, since it uses less digits than its factorization.

53273481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166071.

The product of its digits is 20160, while the sum is 33.

The square root of 53273481 is about 7298.8684739485. The cubic root of 53273481 is about 376.2735508413.

The spelling of 53273481 in words is "fifty-three million, two hundred seventy-three thousand, four hundred eighty-one".