1553341442 has 16 divisors (see below), whose sum is σ = 2552144760. Its totient is φ = 705777408.

The previous prime is 1553341441. The next prime is 1553341453. The reversal of 1553341442 is 2441433551.

It can be written as a sum of positive squares in 4 ways, for example, as 1031630161 + 521711281 = 32119^2 + 22841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1553341399 and 1553341408.

It is not an unprimeable number, because it can be changed into a prime (1553341441) 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, 786713 + ... + 788684.

Almost surely, 2^1553341442 is an apocalyptic number.

1553341442 is a deficient number, since it is larger than the sum of its proper divisors (998803318).

1553341442 is a wasteful number, since it uses less digits than its factorization.

1553341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575445.

The product of its digits is 28800, while the sum is 32.

The square root of 1553341442 is about 39412.4528797689. The cubic root of 1553341442 is about 1158.1255502852.

Adding to 1553341442 its reverse (2441433551), we get a palindrome (3994774993).

The spelling of 1553341442 in words is "one billion, five hundred fifty-three million, three hundred forty-one thousand, four hundred forty-two".