55379769 has 4 divisors (see below), whose sum is σ = 73839696. Its totient is φ = 36919844.

The previous prime is 55379759. The next prime is 55379773. The reversal of 55379769 is 96797355.

55379769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55379769 - 2⁷ = 55379641 is a prime.

It is a super-2 number, since 2×55379769² = 6133837628986722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55379719) 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, 9229959 + ... + 9229964.

It is an arithmetic number, because the mean of its divisors is an integer number (18459924).

Almost surely, 2^55379769 is an apocalyptic number.

It is an amenable number.

55379769 is a deficient number, since it is larger than the sum of its proper divisors (18459927).

55379769 is a wasteful number, since it uses less digits than its factorization.

55379769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18459926.

The product of its digits is 1786050, while the sum is 51.

The square root of 55379769 is about 7441.7584615466. The cubic root of 55379769 is about 381.1685382165.

The spelling of 55379769 in words is "fifty-five million, three hundred seventy-nine thousand, seven hundred sixty-nine".