555000442 has 16 divisors (see below), whose sum is σ = 870913152. Its totient is φ = 264757680.

The previous prime is 555000427. The next prime is 555000443. The reversal of 555000442 is 244000555.

It is not an unprimeable number, because it can be changed into a prime (555000443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067 + ... + 33457.

It is an arithmetic number, because the mean of its divisors is an integer number (54432072).

Almost surely, 2^555000442 is an apocalyptic number.

555000442 is a deficient number, since it is larger than the sum of its proper divisors (315912710).

555000442 is a wasteful number, since it uses less digits than its factorization.

555000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30813.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 555000442 is about 23558.4473597052. The cubic root of 555000442 is about 821.7967946463.

Adding to 555000442 its reverse (244000555), we get a palindrome (799000997).

The spelling of 555000442 in words is "five hundred fifty-five million, four hundred forty-two", and thus it is an aban number.