42550697 has 8 divisors (see below), whose sum is σ = 49215936. Its totient is φ = 36032112.

The previous prime is 42550691. The next prime is 42550723. The reversal of 42550697 is 79605524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42550697 - 2¹⁰ = 42549673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42550697.

It is not an unprimeable number, because it can be changed into a prime (42550691) 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 7 ways as a sum of consecutive naturals, for example, 36038 + ... + 37199.

It is an arithmetic number, because the mean of its divisors is an integer number (6151992).

Almost surely, 2^42550697 is an apocalyptic number.

It is an amenable number.

42550697 is a deficient number, since it is larger than the sum of its proper divisors (6665239).

42550697 is an equidigital number, since it uses as much as digits as its factorization.

42550697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73327.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 42550697 is about 6523.0895287433. The cubic root of 42550697 is about 349.1153085155.

The spelling of 42550697 in words is "forty-two million, five hundred fifty thousand, six hundred ninety-seven".