42553441 has 8 divisors (see below), whose sum is σ = 49947200. Its totient is φ = 35488368.

The previous prime is 42553409. The next prime is 42553451. The reversal of 42553441 is 14435524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42553441 - 2⁵ = 42553409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42553451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81891 + ... + 82408.

It is an arithmetic number, because the mean of its divisors is an integer number (6243400).

Almost surely, 2^42553441 is an apocalyptic number.

It is an amenable number.

42553441 is a deficient number, since it is larger than the sum of its proper divisors (7393759).

42553441 is a wasteful number, since it uses less digits than its factorization.

42553441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164343.

The product of its digits is 9600, while the sum is 28.

The square root of 42553441 is about 6523.2998551347. The cubic root of 42553441 is about 349.1228129113.

Adding to 42553441 its reverse (14435524), we get a palindrome (56988965).

The spelling of 42553441 in words is "forty-two million, five hundred fifty-three thousand, four hundred forty-one".