53558361 has 8 divisors (see below), whose sum is σ = 79345760. Its totient is φ = 35705556.

The previous prime is 53558339. The next prime is 53558363. The reversal of 53558361 is 16385535.

53558361 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 53558361 - 2¹⁷ = 53427289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53558363) 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, 991795 + ... + 991848.

It is an arithmetic number, because the mean of its divisors is an integer number (9918220).

Almost surely, 2^53558361 is an apocalyptic number.

It is an amenable number.

53558361 is a deficient number, since it is larger than the sum of its proper divisors (25787399).

53558361 is a wasteful number, since it uses less digits than its factorization.

53558361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983652 (or 1983646 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 53558361 is about 7318.3578075959. The cubic root of 53558361 is about 376.9430665901.

The spelling of 53558361 in words is "fifty-three million, five hundred fifty-eight thousand, three hundred sixty-one".