4553998 has 4 divisors (see below), whose sum is σ = 6831000. Its totient is φ = 2276998.

The previous prime is 4553981. The next prime is 4553999. The reversal of 4553998 is 8993554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8993554 = 2 ⋅4496777.

It is a super-3 number, since 3×4553998³ (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 (4553999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138498 + ... + 1138501.

It is an arithmetic number, because the mean of its divisors is an integer number (1707750).

Almost surely, 2^4553998 is an apocalyptic number.

4553998 is a deficient number, since it is larger than the sum of its proper divisors (2277002).

4553998 is a wasteful number, since it uses less digits than its factorization.

4553998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277001.

The product of its digits is 194400, while the sum is 43.

The square root of 4553998 is about 2134.0098406521. The cubic root of 4553998 is about 165.7540995583.

It can be divided in two parts, 45 and 53998, that multiplied together give a triangular number (2429910 = T₂₂₀₄).

The spelling of 4553998 in words is "four million, five hundred fifty-three thousand, nine hundred ninety-eight".