1553000047 has 4 divisors (see below), whose sum is σ = 1557163960. Its totient is φ = 1548836136.

The previous prime is 1553000039. The next prime is 1553000077. The reversal of 1553000047 is 7400003551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1553000047 - 2³ = 1553000039 is a prime.

It is a pancake number, because a pancake can be divided into 1553000047 parts by 55731 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1552999985 and 1553000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553000027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2081397 + ... + 2082142.

It is an arithmetic number, because the mean of its divisors is an integer number (389290990).

Almost surely, 2^1553000047 is an apocalyptic number.

1553000047 is a deficient number, since it is larger than the sum of its proper divisors (4163913).

1553000047 is an equidigital number, since it uses as much as digits as its factorization.

1553000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163912.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1553000047 is about 39408.1215867998. The cubic root of 1553000047 is about 1158.0406993888.

Adding to 1553000047 its reverse (7400003551), we get a palindrome (8953003598).

The spelling of 1553000047 in words is "one billion, five hundred fifty-three million, forty-seven", and thus it is an aban number.