42030054 has 48 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 12570480.

The previous prime is 42030047. The next prime is 42030089. The reversal of 42030054 is 45003024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14299 + ... + 16985.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^42030054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42030054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

42030054 is an abundant number, since it is smaller than the sum of its proper divisors (58608666).

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

42030054 is a wasteful number, since it uses less digits than its factorization.

42030054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 42030054 is about 6483.0590001943. The cubic root of 42030054 is about 347.6855562319.

Adding to 42030054 its reverse (45003024), we get a palindrome (87033078).

The spelling of 42030054 in words is "forty-two million, thirty thousand, fifty-four", and thus it is an eban number.