42553442 has 8 divisors (see below), whose sum is σ = 64783056. Its totient is φ = 20959092.

The previous prime is 42553409. The next prime is 42553451. The reversal of 42553442 is 24435524.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158648 + ... + 158915.

It is an arithmetic number, because the mean of its divisors is an integer number (8097882).

Almost surely, 2^42553442 is an apocalyptic number.

42553442 is a deficient number, since it is larger than the sum of its proper divisors (22229614).

42553442 is a wasteful number, since it uses less digits than its factorization.

42553442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317632.

The product of its digits is 19200, while the sum is 29.

The square root of 42553442 is about 6523.2999317830. The cubic root of 42553442 is about 349.1228156461.

Adding to 42553442 its reverse (24435524), we get a palindrome (66988966).

The spelling of 42553442 in words is "forty-two million, five hundred fifty-three thousand, four hundred forty-two".