42554545106 has 32 divisors (see below), whose sum is σ = 64629994800. Its totient is φ = 21013364736.

The previous prime is 42554545093. The next prime is 42554545109. The reversal of 42554545106 is 60154545524.

It can be written as a sum of positive squares in 8 ways, for example, as 32506287025 + 10048258081 = 180295^2 + 100241^2 .

It is not an unprimeable number, because it can be changed into a prime (42554545109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63230786 + ... + 63231458.

Almost surely, 2^42554545106 is an apocalyptic number.

42554545106 is a deficient number, since it is larger than the sum of its proper divisors (22075449694).

42554545106 is a wasteful number, since it uses less digits than its factorization.

42554545106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 42554545106 in words is "forty-two billion, five hundred fifty-four million, five hundred forty-five thousand, one hundred six".