53765481 has 16 divisors (see below), whose sum is σ = 89376768. Its totient is φ = 27930000.

The previous prime is 53765447. The next prime is 53765519. The reversal of 53765481 is 18456735.

53765481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53765481 - 2⁶ = 53765417 is a prime.

It is a super-2 number, since 2×53765481² = 5781453894322722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53765081) 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 15 ways as a sum of consecutive naturals, for example, 116145 + ... + 116606.

It is an arithmetic number, because the mean of its divisors is an integer number (5586048).

Almost surely, 2^53765481 is an apocalyptic number.

It is an amenable number.

53765481 is a deficient number, since it is larger than the sum of its proper divisors (35611287).

53765481 is a wasteful number, since it uses less digits than its factorization.

53765481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232772.

The product of its digits is 100800, while the sum is 39.

The square root of 53765481 is about 7332.4948687333. The cubic root of 53765481 is about 377.4283442200.

It can be divided in two parts, 537654 and 81, that added together give a palindrome (537735).

The spelling of 53765481 in words is "fifty-three million, seven hundred sixty-five thousand, four hundred eighty-one".