42550512 has 20 divisors (see below), whose sum is σ = 109922280. Its totient is φ = 14183488.

The previous prime is 42550499. The next prime is 42550537. The reversal of 42550512 is 21505524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443187 + ... + 443282.

It is an arithmetic number, because the mean of its divisors is an integer number (5496114).

Almost surely, 2^42550512 is an apocalyptic number.

It is an amenable number.

42550512 is an abundant number, since it is smaller than the sum of its proper divisors (67371768).

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

42550512 is a wasteful number, since it uses less digits than its factorization.

42550512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886480 (or 886474 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42550512 is about 6523.0753483307. The cubic root of 42550512 is about 349.1148025589.

The spelling of 42550512 in words is "forty-two million, five hundred fifty thousand, five hundred twelve".