42054055 has 4 divisors (see below), whose sum is σ = 50464872. Its totient is φ = 33643240.

The previous prime is 42054037. The next prime is 42054109. The reversal of 42054055 is 55045024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42054055 - 2⁷ = 42053927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205401 + ... + 4205410.

It is an arithmetic number, because the mean of its divisors is an integer number (12616218).

Almost surely, 2^42054055 is an apocalyptic number.

42054055 is a deficient number, since it is larger than the sum of its proper divisors (8410817).

42054055 is an equidigital number, since it uses as much as digits as its factorization.

42054055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8410816.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 42054055 is about 6484.9097911999. The cubic root of 42054055 is about 347.7517248607.

Adding to 42054055 its reverse (55045024), we get a palindrome (97099079).

The spelling of 42054055 in words is "forty-two million, fifty-four thousand, fifty-five".