42430054 has 4 divisors (see below), whose sum is σ = 63645084. Its totient is φ = 21215026.

The previous prime is 42430043. The next prime is 42430061. The reversal of 42430054 is 45003424.

It is a happy number.

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

It is a super-3 number, since 3×42430054³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607512 + ... + 10607515.

It is an arithmetic number, because the mean of its divisors is an integer number (15911271).

Almost surely, 2^42430054 is an apocalyptic number.

42430054 is a deficient number, since it is larger than the sum of its proper divisors (21215030).

42430054 is a wasteful number, since it uses less digits than its factorization.

42430054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215029.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42430054 is about 6513.8355828191. The cubic root of 42430054 is about 348.7850500266.

Adding to 42430054 its reverse (45003424), we get a palindrome (87433478).

The spelling of 42430054 in words is "forty-two million, four hundred thirty thousand, fifty-four".