42054051 has 32 divisors (see below), whose sum is σ = 63608832. Its totient is φ = 24520320.

The previous prime is 42054037. The next prime is 42054109. The reversal of 42054051 is 15045024.

It is not a de Polignac number, because 42054051 - 2⁷ = 42053923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42054451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155046 + ... + 155316.

It is an arithmetic number, because the mean of its divisors is an integer number (1987776).

Almost surely, 2^42054051 is an apocalyptic number.

42054051 is a deficient number, since it is larger than the sum of its proper divisors (21554781).

42054051 is a wasteful number, since it uses less digits than its factorization.

42054051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 42054051 is about 6484.9094827916. The cubic root of 42054051 is about 347.7517138351.

Adding to 42054051 its reverse (15045024), we get a palindrome (57099075).

It can be divided in two parts, 4205 and 4051, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 42054051 in words is "forty-two million, fifty-four thousand, fifty-one".