5155779 has 4 divisors (see below), whose sum is σ = 6874376. Its totient is φ = 3437184.

The previous prime is 5155769. The next prime is 5155789. The reversal of 5155779 is 9775515.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5155769) and next prime (5155789).

It is not a de Polignac number, because 5155779 - 2¹⁵ = 5123011 is a prime.

It is a D-number.

It is a Duffinian number.

5155779 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155729) 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 3 ways as a sum of consecutive naturals, for example, 859294 + ... + 859299.

It is an arithmetic number, because the mean of its divisors is an integer number (1718594).

Almost surely, 2^5155779 is an apocalyptic number.

5155779 is a deficient number, since it is larger than the sum of its proper divisors (1718597).

5155779 is a wasteful number, since it uses less digits than its factorization.

5155779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718596.

The product of its digits is 55125, while the sum is 39.

The square root of 5155779 is about 2270.6340524180. The cubic root of 5155779 is about 172.7553202922.

The spelling of 5155779 in words is "five million, one hundred fifty-five thousand, seven hundred seventy-nine".