550421542 has 8 divisors (see below), whose sum is σ = 900689832. Its totient is φ = 250191600.

The previous prime is 550421539. The next prime is 550421569. The reversal of 550421542 is 245124055.

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

It is a self number, because there is not a number n which added to its sum of digits gives 550421542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12509559 + ... + 12509602.

It is an arithmetic number, because the mean of its divisors is an integer number (112586229).

Almost surely, 2^550421542 is an apocalyptic number.

550421542 is a deficient number, since it is larger than the sum of its proper divisors (350268290).

550421542 is a wasteful number, since it uses less digits than its factorization.

550421542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25019174.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 550421542 is about 23461.0643833565. The cubic root of 550421542 is about 819.5305373445.

Adding to 550421542 its reverse (245124055), we get a palindrome (795545597).

The spelling of 550421542 in words is "five hundred fifty million, four hundred twenty-one thousand, five hundred forty-two".