8553442 has 4 divisors (see below), whose sum is σ = 12830166. Its totient is φ = 4276720.

The previous prime is 8553437. The next prime is 8553449. The reversal of 8553442 is 2443558.

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

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 137641 = 2901^2 + 371^2 .

It is a super-2 number, since 2×8553442² = 146322740094728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8553449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138359 + ... + 2138362.

Almost surely, 2^8553442 is an apocalyptic number.

8553442 is a deficient number, since it is larger than the sum of its proper divisors (4276724).

8553442 is a wasteful number, since it uses less digits than its factorization.

8553442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276723.

The product of its digits is 19200, while the sum is 31.

The square root of 8553442 is about 2924.6268138004. The cubic root of 8553442 is about 204.5095712707.

The spelling of 8553442 in words is "eight million, five hundred fifty-three thousand, four hundred forty-two".