5553543551 has 4 divisors (see below), whose sum is σ = 5555668272. Its totient is φ = 5551418832.

The previous prime is 5553543511. The next prime is 5553543553. The reversal of 5553543551 is 1553453555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5553543551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5553543499 and 5553543508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5553543553) 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, 1058435 + ... + 1063668.

It is an arithmetic number, because the mean of its divisors is an integer number (1388917068).

Almost surely, 2^5553543551 is an apocalyptic number.

5553543551 is a deficient number, since it is larger than the sum of its proper divisors (2124721).

5553543551 is a wasteful number, since it uses less digits than its factorization.

5553543551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124720.

The product of its digits is 562500, while the sum is 41.

The square root of 5553543551 is about 74522.1010908844. The cubic root of 5553543551 is about 1770.8837821001.

The spelling of 5553543551 in words is "five billion, five hundred fifty-three million, five hundred forty-three thousand, five hundred fifty-one".