42552423 has 6 divisors (see below), whose sum is σ = 61464624. Its totient is φ = 28368276.

The previous prime is 42552409. The next prime is 42552427. The reversal of 42552423 is 32425524.

It is a happy number.

It is not a de Polignac number, because 42552423 - 2⁴ = 42552407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42552427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2364015 + ... + 2364032.

It is an arithmetic number, because the mean of its divisors is an integer number (10244104).

Almost surely, 2^42552423 is an apocalyptic number.

42552423 is a deficient number, since it is larger than the sum of its proper divisors (18912201).

42552423 is a wasteful number, since it uses less digits than its factorization.

42552423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4728053 (or 4728050 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42552423 is about 6523.2218266743. The cubic root of 42552423 is about 349.1200288838.

Adding to 42552423 its reverse (32425524), we get a palindrome (74977947).

The spelling of 42552423 in words is "forty-two million, five hundred fifty-two thousand, four hundred twenty-three".