550420142 has 8 divisors (see below), whose sum is σ = 837953256. Its totient is φ = 271102392.

The previous prime is 550420127. The next prime is 550420201. The reversal of 550420142 is 241024055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053673 + ... + 2053940.

It is an arithmetic number, because the mean of its divisors is an integer number (104744157).

Almost surely, 2^550420142 is an apocalyptic number.

550420142 is a deficient number, since it is larger than the sum of its proper divisors (287533114).

550420142 is a wasteful number, since it uses less digits than its factorization.

550420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107682.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 550420142 is about 23461.0345466691. The cubic root of 550420142 is about 819.5298425172.

Adding to 550420142 its reverse (241024055), we get a palindrome (791444197).

The spelling of 550420142 in words is "five hundred fifty million, four hundred twenty thousand, one hundred forty-two".