551088728093 has 4 divisors (see below), whose sum is σ = 551641476060. Its totient is φ = 550535980128.

The previous prime is 551088728053. The next prime is 551088728111. The reversal of 551088728093 is 390827880155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390827880155 = 5 ⋅78165576031.

It can be written as a sum of positive squares in 2 ways, for example, as 305352392569 + 245736335524 = 552587^2 + 495718^2 .

It is a cyclic number.

It is not a de Polignac number, because 551088728093 - 2¹⁴ = 551088711709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551088728053) 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, 276372488 + ... + 276374481.

It is an arithmetic number, because the mean of its divisors is an integer number (137910369015).

Almost surely, 2^551088728093 is an apocalyptic number.

It is an amenable number.

551088728093 is a deficient number, since it is larger than the sum of its proper divisors (552747967).

551088728093 is an equidigital number, since it uses as much as digits as its factorization.

551088728093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552747966.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 551088728093 in words is "five hundred fifty-one billion, eighty-eight million, seven hundred twenty-eight thousand, ninety-three".