42550392 has 32 divisors (see below), whose sum is σ = 108852480. Its totient is φ = 13853280.

The previous prime is 42550363. The next prime is 42550393. The reversal of 42550392 is 29305524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19584 + ... + 21647.

It is an arithmetic number, because the mean of its divisors is an integer number (3401640).

Almost surely, 2^42550392 is an apocalyptic number.

It is an amenable number.

42550392 is an abundant number, since it is smaller than the sum of its proper divisors (66302088).

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

42550392 is a wasteful number, since it uses less digits than its factorization.

42550392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41283 (or 41279 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 42550392 is about 6523.0661502088. The cubic root of 42550392 is about 349.1144743700.

The spelling of 42550392 in words is "forty-two million, five hundred fifty thousand, three hundred ninety-two".