42555570 has 32 divisors (see below), whose sum is σ = 102434112. Its totient is φ = 11314752.

The previous prime is 42555523. The next prime is 42555571. The reversal of 42555570 is 7555524.

It is not an unprimeable number, because it can be changed into a prime (42555571) 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 15 ways as a sum of consecutive naturals, for example, 9289 + ... + 13091.

It is an arithmetic number, because the mean of its divisors is an integer number (3201066).

Almost surely, 2^42555570 is an apocalyptic number.

42555570 is an abundant number, since it is smaller than the sum of its proper divisors (59878542).

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

42555570 is a wasteful number, since it uses less digits than its factorization.

42555570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 42555570 is about 6523.4630373752. The cubic root of 42555570 is about 349.1286351594.

The spelling of 42555570 in words is "forty-two million, five hundred fifty-five thousand, five hundred seventy".