42553886475556 has 9 divisors (see below), whose sum is σ = 74469324163899. Its totient is φ = 21276936714444.

The previous prime is 42553886475479. The next prime is 42553886475557. The reversal of 42553886475556 is 65557468835524.

The square root of 42553886475556 is 6523334.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42553886475557) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11415835 + ... + 14677501.

Almost surely, 2^{42553886475556} is an apocalyptic number.

42553886475556 is the 6523334-th square number.

It is an amenable number.

42553886475556 is a deficient number, since it is larger than the sum of its proper divisors (31915437688343).

42553886475556 is an frugal number, since it uses more digits than its factorization.

42553886475556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523338 (or 3261669 counting only the distinct ones).

The product of its digits is 4838400000, while the sum is 73.

The spelling of 42553886475556 in words is "forty-two trillion, five hundred fifty-three billion, eight hundred eighty-six million, four hundred seventy-five thousand, five hundred fifty-six".