53412985 has 4 divisors (see below), whose sum is σ = 64095588. Its totient is φ = 42730384.

The previous prime is 53412979. The next prime is 53412991. The reversal of 53412985 is 58921435.

53412985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53412979) and next prime (53412991).

It can be written as a sum of positive squares in 2 ways, for example, as 18224361 + 35188624 = 4269^2 + 5932^2 .

It is a cyclic number.

It is not a de Polignac number, because 53412985 - 2¹¹ = 53410937 is a prime.

It is a super-2 number, since 2×53412985² = 5705893933220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5341294 + ... + 5341303.

It is an arithmetic number, because the mean of its divisors is an integer number (16023897).

Almost surely, 2^53412985 is an apocalyptic number.

It is an amenable number.

53412985 is a deficient number, since it is larger than the sum of its proper divisors (10682603).

53412985 is a wasteful number, since it uses less digits than its factorization.

53412985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10682602.

The product of its digits is 43200, while the sum is 37.

The square root of 53412985 is about 7308.4187756313. The cubic root of 53412985 is about 376.6017060641.

The spelling of 53412985 in words is "fifty-three million, four hundred twelve thousand, nine hundred eighty-five".