42055850 has 24 divisors (see below), whose sum is σ = 78586860. Its totient is φ = 16744320.

The previous prime is 42055843. The next prime is 42055861. The reversal of 42055850 is 5855024.

It can be written as a sum of positive squares in 6 ways, for example, as 14984641 + 27071209 = 3871^2 + 5203^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 9614 + ... + 13286.

Almost surely, 2^42055850 is an apocalyptic number.

42055850 is a deficient number, since it is larger than the sum of its proper divisors (36531010).

42055850 is a wasteful number, since it uses less digits than its factorization.

42055850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 42055850 is about 6485.0481879474. The cubic root of 42055850 is about 347.7566725046.

The spelling of 42055850 in words is "forty-two million, fifty-five thousand, eight hundred fifty".