42055510 has 32 divisors (see below), whose sum is σ = 89501760. Its totient is φ = 13921152.

The previous prime is 42055487. The next prime is 42055511. The reversal of 42055510 is 1555024.

42055510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8329 + ... + 12388.

It is an arithmetic number, because the mean of its divisors is an integer number (2796930).

Almost surely, 2^42055510 is an apocalyptic number.

42055510 is an abundant number, since it is smaller than the sum of its proper divisors (47446250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42055510 is a wasteful number, since it uses less digits than its factorization.

42055510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20760.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 42055510 is about 6485.0219737484. The cubic root of 42055510 is about 347.7557353572.

The spelling of 42055510 in words is "forty-two million, fifty-five thousand, five hundred ten".