42210550 has 24 divisors (see below), whose sum is σ = 78903432. Its totient is φ = 16800000.

The previous prime is 42210529. The next prime is 42210551. The reversal of 42210550 is 5501224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8550 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (3287643).

Almost surely, 2^42210550 is an apocalyptic number.

42210550 is a deficient number, since it is larger than the sum of its proper divisors (36692882).

42210550 is a wasteful number, since it uses less digits than its factorization.

42210550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 42210550 is about 6496.9646759083. The cubic root of 42210550 is about 348.1825516430.

Adding to 42210550 its reverse (5501224), we get a palindrome (47711774).

It can be divided in two parts, 422 and 10550, that multiplied together give a square (4452100 = 2110²).

The spelling of 42210550 in words is "forty-two million, two hundred ten thousand, five hundred fifty".