42274555 has 8 divisors (see below), whose sum is σ = 51300000. Its totient is φ = 33439296.

The previous prime is 42274553. The next prime is 42274579. The reversal of 42274555 is 55547224.

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 42274555 - 2¹ = 42274553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42274555.

It is not an unprimeable number, because it can be changed into a prime (42274553) 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, 47055 + ... + 47944.

It is an arithmetic number, because the mean of its divisors is an integer number (6412500).

Almost surely, 2^42274555 is an apocalyptic number.

42274555 is a deficient number, since it is larger than the sum of its proper divisors (9025445).

42274555 is an equidigital number, since it uses as much as digits as its factorization.

42274555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95093.

The product of its digits is 56000, while the sum is 34.

The square root of 42274555 is about 6501.8885717920. Note that the first 3 decimals coincide. The cubic root of 42274555 is about 348.3584489775.

The spelling of 42274555 in words is "forty-two million, two hundred seventy-four thousand, five hundred fifty-five".