42054004 has 6 divisors (see below), whose sum is σ = 73594514. Its totient is φ = 21027000.

The previous prime is 42053983. The next prime is 42054017. The reversal of 42054004 is 40045024.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 6770404 = 5940^2 + 2602^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5256747 + ... + 5256754.

Almost surely, 2^42054004 is an apocalyptic number.

It is an amenable number.

42054004 is a deficient number, since it is larger than the sum of its proper divisors (31540510).

42054004 is a wasteful number, since it uses less digits than its factorization.

42054004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513505 (or 10513503 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42054004 is about 6484.9058589929. The cubic root of 42054004 is about 347.7515842849.

Adding to 42054004 its reverse (40045024), we get a palindrome (82099028).

The spelling of 42054004 in words is "forty-two million, fifty-four thousand, four", and thus it is an eban number.