42082555 has 4 divisors (see below), whose sum is σ = 50499072. Its totient is φ = 33666040.

The previous prime is 42082543. The next prime is 42082613. The reversal of 42082555 is 55528024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42082555 - 2⁹ = 42082043 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4208251 + ... + 4208260.

It is an arithmetic number, because the mean of its divisors is an integer number (12624768).

Almost surely, 2^42082555 is an apocalyptic number.

42082555 is a deficient number, since it is larger than the sum of its proper divisors (8416517).

42082555 is an equidigital number, since it uses as much as digits as its factorization.

42082555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8416516.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 42082555 is about 6487.1068281631. The cubic root of 42082555 is about 347.8302641448.

The spelling of 42082555 in words is "forty-two million, eighty-two thousand, five hundred fifty-five".