42054435 has 12 divisors (see below), whose sum is σ = 72894432. Its totient is φ = 22429008.

The previous prime is 42054431. The next prime is 42054449. The reversal of 42054435 is 53445024.

It is not a de Polignac number, because 42054435 - 2² = 42054431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42054399 and 42054408.

It is not an unprimeable number, because it can be changed into a prime (42054431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467227 + ... + 467316.

It is an arithmetic number, because the mean of its divisors is an integer number (6074536).

Almost surely, 2^42054435 is an apocalyptic number.

42054435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42054435 is a deficient number, since it is larger than the sum of its proper divisors (30839997).

42054435 is a wasteful number, since it uses less digits than its factorization.

42054435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934554 (or 934551 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 42054435 is about 6484.9390899221. The cubic root of 42054435 is about 347.7527722845.

Adding to 42054435 its reverse (53445024), we get a palindrome (95499459).

The spelling of 42054435 in words is "forty-two million, fifty-four thousand, four hundred thirty-five".