53961289 has 8 divisors (see below), whose sum is σ = 57681792. Its totient is φ = 50355360.

The previous prime is 53961287. The next prime is 53961293. The reversal of 53961289 is 98216935.

It is a happy number.

53961289 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 a cyclic number.

It is not a de Polignac number, because 53961289 - 2¹ = 53961287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53961283) 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, 27669 + ... + 29554.

It is an arithmetic number, because the mean of its divisors is an integer number (7210224).

Almost surely, 2^53961289 is an apocalyptic number.

It is an amenable number.

53961289 is a deficient number, since it is larger than the sum of its proper divisors (3720503).

53961289 is a wasteful number, since it uses less digits than its factorization.

53961289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57287.

The product of its digits is 116640, while the sum is 43.

The square root of 53961289 is about 7345.8348062014. The cubic root of 53961289 is about 377.8859733703.

The spelling of 53961289 in words is "fifty-three million, nine hundred sixty-one thousand, two hundred eighty-nine".