42055016 has 16 divisors (see below), whose sum is σ = 79052100. Its totient is φ = 20974464.

The previous prime is 42054973. The next prime is 42055019. The reversal of 42055016 is 61055024.

It can be written as a sum of positive squares in 2 ways, for example, as 41550916 + 504100 = 6446^2 + 710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42054982 and 42055000.

It is not an unprimeable number, because it can be changed into a prime (42055019) 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 3 ways as a sum of consecutive naturals, for example, 3155 + ... + 9698.

Almost surely, 2^42055016 is an apocalyptic number.

It is an amenable number.

42055016 is a deficient number, since it is larger than the sum of its proper divisors (36997084).

42055016 is a wasteful number, since it uses less digits than its factorization.

42055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13268 (or 13264 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 42055016 is about 6484.9838858705. The cubic root of 42055016 is about 347.7543737282.

The spelling of 42055016 in words is "forty-two million, fifty-five thousand, sixteen".