42645055 has 8 divisors (see below), whose sum is σ = 51238800. Its totient is φ = 34072896.

The previous prime is 42645049. The next prime is 42645077. The reversal of 42645055 is 55054624.

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 42645055 - 2⁹ = 42644543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670 + ... + 9259.

It is an arithmetic number, because the mean of its divisors is an integer number (6404850).

Almost surely, 2^42645055 is an apocalyptic number.

42645055 is a deficient number, since it is larger than the sum of its proper divisors (8593745).

42645055 is an equidigital number, since it uses as much as digits as its factorization.

42645055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 42645055 is about 6530.3181392640. The cubic root of 42645055 is about 349.3731773997.

Adding to 42645055 its reverse (55054624), we get a palindrome (97699679).

The spelling of 42645055 in words is "forty-two million, six hundred forty-five thousand, fifty-five".