53381489 has 16 divisors (see below), whose sum is σ = 64195200. Its totient is φ = 43419264.

The previous prime is 53381477. The next prime is 53381509. The reversal of 53381489 is 98418335.

53381489 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 53381489 - 2⁸ = 53381233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53381389) 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, 9749 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (4012200).

Almost surely, 2^53381489 is an apocalyptic number.

53381489 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

53381489 is a deficient number, since it is larger than the sum of its proper divisors (10813711).

53381489 is a wasteful number, since it uses less digits than its factorization.

53381489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its digits is 103680, while the sum is 41.

The square root of 53381489 is about 7306.2636826219. The cubic root of 53381489 is about 376.5276680154.

The spelling of 53381489 in words is "fifty-three million, three hundred eighty-one thousand, four hundred eighty-nine".