5557779 has 6 divisors (see below), whose sum is σ = 8027916. Its totient is φ = 3705180.

The previous prime is 5557757. The next prime is 5557781. The reversal of 5557779 is 9777555.

5557779 is a `hidden beast` number, since 5 + 5 + 577 + 79 = 666.

It is not a de Polignac number, because 5557779 - 2⁸ = 5557523 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5557379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308757 + ... + 308774.

It is an arithmetic number, because the mean of its divisors is an integer number (1337986).

Almost surely, 2^5557779 is an apocalyptic number.

5557779 is a deficient number, since it is larger than the sum of its proper divisors (2470137).

5557779 is a wasteful number, since it uses less digits than its factorization.

5557779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617537 (or 617534 counting only the distinct ones).

The product of its digits is 385875, while the sum is 45.

The square root of 5557779 is about 2357.4942205656. The cubic root of 5557779 is about 177.1333860020.

It can be divided in two parts, 5557 and 779, that added together give a palindrome (6336).

The spelling of 5557779 in words is "five million, five hundred fifty-seven thousand, seven hundred seventy-nine".