42609550 has 12 divisors (see below), whose sum is σ = 79253856. Its totient is φ = 17043800.

The previous prime is 42609527. The next prime is 42609559. The reversal of 42609550 is 5590624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42609559) 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, 426046 + ... + 426145.

It is an arithmetic number, because the mean of its divisors is an integer number (6604488).

Almost surely, 2^42609550 is an apocalyptic number.

42609550 is a deficient number, since it is larger than the sum of its proper divisors (36644306).

42609550 is a wasteful number, since it uses less digits than its factorization.

42609550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852203 (or 852198 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 42609550 is about 6527.5990992094. The cubic root of 42609550 is about 349.2761912521.

The spelling of 42609550 in words is "forty-two million, six hundred nine thousand, five hundred fifty".