42553838 has 8 divisors (see below), whose sum is σ = 63983640. Its totient is φ = 21225960.

The previous prime is 42553829. The next prime is 42553843. The reversal of 42553838 is 83835524.

42553838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24428 + ... + 26111.

It is an arithmetic number, because the mean of its divisors is an integer number (7997955).

Almost surely, 2^42553838 is an apocalyptic number.

42553838 is a deficient number, since it is larger than the sum of its proper divisors (21429802).

42553838 is a wasteful number, since it uses less digits than its factorization.

42553838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50962.

The product of its digits is 115200, while the sum is 38.

The square root of 42553838 is about 6523.3302844483. The cubic root of 42553838 is about 349.1238986153.

The spelling of 42553838 in words is "forty-two million, five hundred fifty-three thousand, eight hundred thirty-eight".