42405054 has 16 divisors (see below), whose sum is σ = 88497792. Its totient is φ = 13520408.

The previous prime is 42405049. The next prime is 42405059. The reversal of 42405054 is 45050424.

42405054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42405049) and next prime (42405059).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405059) 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 7 ways as a sum of consecutive naturals, for example, 153504 + ... + 153779.

It is an arithmetic number, because the mean of its divisors is an integer number (5531112).

Almost surely, 2^42405054 is an apocalyptic number.

42405054 is an abundant number, since it is smaller than the sum of its proper divisors (46092738).

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

42405054 is a wasteful number, since it uses less digits than its factorization.

42405054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307311.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42405054 is about 6511.9163078160. The cubic root of 42405054 is about 348.7165346031.

Adding to 42405054 its reverse (45050424), we get a palindrome (87455478).

The spelling of 42405054 in words is "forty-two million, four hundred five thousand, fifty-four".