5551233305 has 4 divisors (see below), whose sum is σ = 6661479972. Its totient is φ = 4440986640.

The previous prime is 5551233301. The next prime is 5551233323. The reversal of 5551233305 is 5033321555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5033321555 = 5 ⋅1006664311.

It can be written as a sum of positive squares in 2 ways, for example, as 4328192521 + 1223040784 = 65789^2 + 34972^2 .

It is not a de Polignac number, because 5551233305 - 2² = 5551233301 is a prime.

It is a super-3 number, since 3×5551233305³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5551233301) 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, 555123326 + ... + 555123335.

It is an arithmetic number, because the mean of its divisors is an integer number (1665369993).

Almost surely, 2^5551233305 is an apocalyptic number.

It is an amenable number.

5551233305 is a deficient number, since it is larger than the sum of its proper divisors (1110246667).

5551233305 is a wasteful number, since it uses less digits than its factorization.

5551233305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110246666.

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 5551233305 is about 74506.5990701495. The cubic root of 5551233305 is about 1770.6381884792.

The spelling of 5551233305 in words is "five billion, five hundred fifty-one million, two hundred thirty-three thousand, three hundred five".