42553412 has 24 divisors (see below), whose sum is σ = 81675552. Its totient is φ = 19238400.

The previous prime is 42553409. The next prime is 42553451. The reversal of 42553412 is 21435524.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5987 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (3403148).

Almost surely, 2^42553412 is an apocalyptic number.

It is an amenable number.

42553412 is a deficient number, since it is larger than the sum of its proper divisors (39122140).

42553412 is a wasteful number, since it uses less digits than its factorization.

42553412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219 (or 5217 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 42553412 is about 6523.2976323329. The cubic root of 42553412 is about 349.1227336027.

Adding to 42553412 its reverse (21435524), we get a palindrome (63988936).

It can be divided in two parts, 4255 and 3412, that added together give a palindrome (7667).

The spelling of 42553412 in words is "forty-two million, five hundred fifty-three thousand, four hundred twelve".