42530550 has 48 divisors (see below), whose sum is σ = 111034560. Its totient is φ = 10743840.

The previous prime is 42530533. The next prime is 42530557. The reversal of 42530550 is 5503524.

It is a self number, because there is not a number n which added to its sum of digits gives 42530550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530557) 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, 4612 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (2313220).

Almost surely, 2^42530550 is an apocalyptic number.

42530550 is an abundant number, since it is smaller than the sum of its proper divisors (68504010).

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

42530550 is a wasteful number, since it uses less digits than its factorization.

42530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14957 (or 14952 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 42530550 is about 6521.5450623299. The cubic root of 42530550 is about 349.0601998490.

The spelling of 42530550 in words is "forty-two million, five hundred thirty thousand, five hundred fifty".