555021253442 has 32 divisors (see below), whose sum is σ = 927977705280. Its totient is φ = 247418910720.

The previous prime is 555021253439. The next prime is 555021253489. The reversal of 555021253442 is 244352120555.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 555021253396 and 555021253405.

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, 9590738 + ... + 9648434.

It is an arithmetic number, because the mean of its divisors is an integer number (28999303290).

Almost surely, 2^555021253442 is an apocalyptic number.

555021253442 is a deficient number, since it is larger than the sum of its proper divisors (372956451838).

555021253442 is a wasteful number, since it uses less digits than its factorization.

555021253442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72626.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 555021253442 its reverse (244352120555), we get a palindrome (799373373997).

The spelling of 555021253442 in words is "five hundred fifty-five billion, twenty-one million, two hundred fifty-three thousand, four hundred forty-two".