55708829779 has 8 divisors (see below), whose sum is σ = 59220827568. Its totient is φ = 52222944000.

The previous prime is 55708829777. The next prime is 55708829791. The reversal of 55708829779 is 97792880755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55708829779 - 2¹ = 55708829777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55708829773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523602 + ... + 6532135.

It is an arithmetic number, because the mean of its divisors is an integer number (7402603446).

Almost surely, 2^55708829779 is an apocalyptic number.

55708829779 is a deficient number, since it is larger than the sum of its proper divisors (3511997789).

55708829779 is a wasteful number, since it uses less digits than its factorization.

55708829779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13056005.

The product of its (nonzero) digits is 88905600, while the sum is 67.

The spelling of 55708829779 in words is "fifty-five billion, seven hundred eight million, eight hundred twenty-nine thousand, seven hundred seventy-nine".