42555004 has 6 divisors (see below), whose sum is σ = 74471264. Its totient is φ = 21277500.

The previous prime is 42555001. The next prime is 42555011. The reversal of 42555004 is 40055524.

42555004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42555004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555001) 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 as a sum of consecutive naturals, namely, 5319372 + ... + 5319379.

Almost surely, 2^42555004 is an apocalyptic number.

It is an amenable number.

42555004 is a deficient number, since it is larger than the sum of its proper divisors (31916260).

42555004 is a wasteful number, since it uses less digits than its factorization.

42555004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10638755 (or 10638753 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 42555004 is about 6523.4196553648. The cubic root of 42555004 is about 349.1270873191.

The spelling of 42555004 in words is "forty-two million, five hundred fifty-five thousand, four".