55955779 has 16 divisors (see below), whose sum is σ = 65088000. Its totient is φ = 47567520.

The previous prime is 55955759. The next prime is 55955807. The reversal of 55955779 is 97755955.

55955779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55955779 - 2⁵ = 55955747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55955749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817 + ... + 18205.

It is an arithmetic number, because the mean of its divisors is an integer number (4068000).

Almost surely, 2^55955779 is an apocalyptic number.

55955779 is a deficient number, since it is larger than the sum of its proper divisors (9132221).

55955779 is a wasteful number, since it uses less digits than its factorization.

55955779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498.

The product of its digits is 2480625, while the sum is 52.

The square root of 55955779 is about 7480.3595501821. The cubic root of 55955779 is about 382.4855055951.

The spelling of 55955779 in words is "fifty-five million, nine hundred fifty-five thousand, seven hundred seventy-nine".