5556779 has 8 divisors (see below), whose sum is σ = 5681808. Its totient is φ = 5433120.

The previous prime is 5556769. The next prime is 5556791. The reversal of 5556779 is 9776555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556779 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5556709) 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 7 ways as a sum of consecutive naturals, for example, 12989 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (710226).

Almost surely, 2^5556779 is an apocalyptic number.

5556779 is a deficient number, since it is larger than the sum of its proper divisors (125029).

5556779 is a wasteful number, since it uses less digits than its factorization.

5556779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its digits is 330750, while the sum is 44.

The square root of 5556779 is about 2357.2821214271. The cubic root of 5556779 is about 177.1227616134.

The spelling of 5556779 in words is "five million, five hundred fifty-six thousand, seven hundred seventy-nine".