553111442 has 32 divisors (see below), whose sum is σ = 915183360. Its totient is φ = 249157440.

The previous prime is 553111421. The next prime is 553111459. The reversal of 553111442 is 244111355.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 188684 + ... + 191592.

It is an arithmetic number, because the mean of its divisors is an integer number (28599480).

Almost surely, 2^553111442 is an apocalyptic number.

553111442 is a deficient number, since it is larger than the sum of its proper divisors (362071918).

553111442 is a wasteful number, since it uses less digits than its factorization.

553111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 2400, while the sum is 26.

The square root of 553111442 is about 23518.3214111892. The cubic root of 553111442 is about 820.8633787508.

Adding to 553111442 its reverse (244111355), we get a palindrome (797222797).

The spelling of 553111442 in words is "five hundred fifty-three million, one hundred eleven thousand, four hundred forty-two".