43425550 has 48 divisors (see below), whose sum is σ = 94092192. Its totient is φ = 14601600.

The previous prime is 43425539. The next prime is 43425553. The reversal of 43425550 is 5552434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43425553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17380 + ... + 19720.

It is an arithmetic number, because the mean of its divisors is an integer number (1960254).

Almost surely, 2^43425550 is an apocalyptic number.

43425550 is an abundant number, since it is smaller than the sum of its proper divisors (50666642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43425550 is a wasteful number, since it uses less digits than its factorization.

43425550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 43425550 is about 6589.8065221977. The cubic root of 43425550 is about 351.4917283386.

Adding to 43425550 its reverse (5552434), we get a palindrome (48977984).

The spelling of 43425550 in words is "forty-three million, four hundred twenty-five thousand, five hundred fifty".