53618573 has 8 divisors (see below), whose sum is σ = 55248696. Its totient is φ = 52012800.

The previous prime is 53618557. The next prime is 53618597. The reversal of 53618573 is 37581635.

53618573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1965604 + 51652969 = 1402^2 + 7187^2 .

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 53618573 - 2⁴ = 53618557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53618273) 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, 1568 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (6906087).

Almost surely, 2^53618573 is an apocalyptic number.

It is an amenable number.

53618573 is a deficient number, since it is larger than the sum of its proper divisors (1630123).

53618573 is a wasteful number, since it uses less digits than its factorization.

53618573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175.

The product of its digits is 75600, while the sum is 38.

The square root of 53618573 is about 7322.4704164647. The cubic root of 53618573 is about 377.0842707858.

The spelling of 53618573 in words is "fifty-three million, six hundred eighteen thousand, five hundred seventy-three".