1553030500442 has 8 divisors (see below), whose sum is σ = 2337496419636. Its totient is φ = 773865027232.

The previous prime is 1553030500397. The next prime is 1553030500447. The reversal of 1553030500442 is 2440050303551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1419622207441 + 133408293001 = 1191479^2 + 365251^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1553030500399 and 1553030500408.

It is not an unprimeable number, because it can be changed into a prime (1553030500447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325110763 + ... + 1325111934.

Almost surely, 2^{1553030500442} is an apocalyptic number.

1553030500442 is a deficient number, since it is larger than the sum of its proper divisors (784465919194).

1553030500442 is a wasteful number, since it uses less digits than its factorization.

1553030500442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650222992.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 1553030500442 its reverse (2440050303551), we get a palindrome (3993080803993).

The spelling of 1553030500442 in words is "one trillion, five hundred fifty-three billion, thirty million, five hundred thousand, four hundred forty-two".