42553017 has 36 divisors (see below), whose sum is σ = 67458924. Its totient is φ = 25833600.

The previous prime is 42552977. The next prime is 42553019. The reversal of 42553017 is 71035524.

It is a happy number.

42553017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3164841 + 39388176 = 1779^2 + 6276^2 .

It is not a de Polignac number, because 42553017 - 2¹² = 42548921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42553019) 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 35 ways as a sum of consecutive naturals, for example, 153483 + ... + 153759.

It is an arithmetic number, because the mean of its divisors is an integer number (1873859).

Almost surely, 2^42553017 is an apocalyptic number.

It is an amenable number.

42553017 is a deficient number, since it is larger than the sum of its proper divisors (24905907).

42553017 is a wasteful number, since it uses less digits than its factorization.

42553017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 42553017 is about 6523.2673561644. The cubic root of 42553017 is about 349.1216533610.

The spelling of 42553017 in words is "forty-two million, five hundred fifty-three thousand, seventeen".