42255601 has 8 divisors (see below), whose sum is σ = 44683520. Its totient is φ = 39848112.

The previous prime is 42255593. The next prime is 42255611. The reversal of 42255601 is 10655224.

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 42255601 - 2³ = 42255593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42255611) 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, 750 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (5585440).

Almost surely, 2^42255601 is an apocalyptic number.

It is an amenable number.

42255601 is a deficient number, since it is larger than the sum of its proper divisors (2427919).

42255601 is a wasteful number, since it uses less digits than its factorization.

42255601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42255601 is about 6500.4308318757. The cubic root of 42255601 is about 348.3063784662.

The spelling of 42255601 in words is "forty-two million, two hundred fifty-five thousand, six hundred one".