55333050779 has 4 divisors (see below), whose sum is σ = 55333814184. Its totient is φ = 55332287376.

The previous prime is 55333050749. The next prime is 55333050823. The reversal of 55333050779 is 97705033355.

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 55333050779 - 2²⁴ = 55316273563 is a prime.

It is a super-2 number, since 2×55333050779² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55333050749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260057 + ... + 422250.

It is an arithmetic number, because the mean of its divisors is an integer number (13833453546).

Almost surely, 2^55333050779 is an apocalyptic number.

55333050779 is a deficient number, since it is larger than the sum of its proper divisors (763405).

55333050779 is an equidigital number, since it uses as much as digits as its factorization.

55333050779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763404.

The product of its (nonzero) digits is 1488375, while the sum is 47.

The spelling of 55333050779 in words is "fifty-five billion, three hundred thirty-three million, fifty thousand, seven hundred seventy-nine".