55351827559 has 4 divisors (see below), whose sum is σ = 63259231504. Its totient is φ = 47444423616.

The previous prime is 55351827541. The next prime is 55351827581. The reversal of 55351827559 is 95572815355.

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 55351827559 - 2¹¹ = 55351825511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55351827589) 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, 3953701962 + ... + 3953701975.

It is an arithmetic number, because the mean of its divisors is an integer number (15814807876).

Almost surely, 2^55351827559 is an apocalyptic number.

55351827559 is a deficient number, since it is larger than the sum of its proper divisors (7907403945).

55351827559 is an equidigital number, since it uses as much as digits as its factorization.

55351827559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907403944.

The product of its digits is 9450000, while the sum is 55.

The spelling of 55351827559 in words is "fifty-five billion, three hundred fifty-one million, eight hundred twenty-seven thousand, five hundred fifty-nine".