554020042 has 4 divisors (see below), whose sum is σ = 831030066. Its totient is φ = 277010020.

The previous prime is 554020039. The next prime is 554020063. The reversal of 554020042 is 240020455.

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., 469545561 + 84474481 = 21669^2 + 9191^2 .

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 junction number, because it is equal to n+sod(n) for n = 554019995 and 554020022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138505009 + ... + 138505012.

Almost surely, 2^554020042 is an apocalyptic number.

554020042 is a deficient number, since it is larger than the sum of its proper divisors (277010024).

554020042 is a wasteful number, since it uses less digits than its factorization.

554020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277010023.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 554020042 is about 23537.6303395223. The cubic root of 554020042 is about 821.3126121751.

Adding to 554020042 its reverse (240020455), we get a palindrome (794040497).

The spelling of 554020042 in words is "five hundred fifty-four million, twenty thousand, forty-two".