53321085 has 60 divisors (see below), whose sum is σ = 99486684. Its totient is φ = 27319680.

The previous prime is 53321083. The next prime is 53321089. The reversal of 53321085 is 58012335.

It can be written as a sum of positive squares in 2 ways, for example, as 25220484 + 28100601 = 5022^2 + 5301^2 .

It is not a de Polignac number, because 53321085 - 2¹ = 53321083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 389137 + ... + 389273.

Almost surely, 2^53321085 is an apocalyptic number.

It is an amenable number.

53321085 is a deficient number, since it is larger than the sum of its proper divisors (46165599).

53321085 is a wasteful number, since it uses less digits than its factorization.

53321085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53321085 is about 7302.1287991927. The cubic root of 53321085 is about 376.3855940389.

The spelling of 53321085 in words is "fifty-three million, three hundred twenty-one thousand, eighty-five".