4553985 has 16 divisors (see below), whose sum is σ = 7323264. Its totient is φ = 2416512.

The previous prime is 4553981. The next prime is 4553999. The reversal of 4553985 is 5893554.

It is not a de Polignac number, because 4553985 - 2² = 4553981 is a prime.

It is a super-3 number, since 3×4553985³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4553981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844 + ... + 4146.

It is an arithmetic number, because the mean of its divisors is an integer number (457704).

Almost surely, 2^4553985 is an apocalyptic number.

It is an amenable number.

4553985 is a deficient number, since it is larger than the sum of its proper divisors (2769279).

4553985 is a wasteful number, since it uses less digits than its factorization.

4553985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544.

The product of its digits is 108000, while the sum is 39.

The square root of 4553985 is about 2134.0067947408. The cubic root of 4553985 is about 165.7539418357.

The spelling of 4553985 in words is "four million, five hundred fifty-three thousand, nine hundred eighty-five".