42054530 has 32 divisors (see below), whose sum is σ = 86800896. Its totient is φ = 14370624.

The previous prime is 42054527. The next prime is 42054539. The reversal of 42054530 is 3545024.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42054496 and 42054505.

It is not an unprimeable number, because it can be changed into a prime (42054539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24872 + ... + 26508.

It is an arithmetic number, because the mean of its divisors is an integer number (2712528).

Almost surely, 2^42054530 is an apocalyptic number.

42054530 is an abundant number, since it is smaller than the sum of its proper divisors (44746366).

42054530 is a wasteful number, since it uses less digits than its factorization.

42054530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42054530 is about 6484.9464145820. The cubic root of 42054530 is about 347.7530341395.

Adding to 42054530 its reverse (3545024), we get a palindrome (45599554).

The spelling of 42054530 in words is "forty-two million, fifty-four thousand, five hundred thirty".