42053434 has 4 divisors (see below), whose sum is σ = 63080154. Its totient is φ = 21026716.

The previous prime is 42053419. The next prime is 42053443. The reversal of 42053434 is 43435024.

42053434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 39727809 + 2325625 = 6303^2 + 1525^2 .

It is a super-2 number, since 2×42053434² = 3536982622384712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42053399 and 42053408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513357 + ... + 10513360.

Almost surely, 2^42053434 is an apocalyptic number.

42053434 is a deficient number, since it is larger than the sum of its proper divisors (21026720).

42053434 is a wasteful number, since it uses less digits than its factorization.

42053434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026719.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 42053434 is about 6484.8619106346. The cubic root of 42053434 is about 347.7500131360.

Adding to 42053434 its reverse (43435024), we get a palindrome (85488458).

The spelling of 42053434 in words is "forty-two million, fifty-three thousand, four hundred thirty-four".