57779243 has 8 divisors (see below), whose sum is σ = 63838368. Its totient is φ = 52015744.

The previous prime is 57779221. The next prime is 57779263. The reversal of 57779243 is 34297775.

57779243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 57779243 - 2¹⁰ = 57778219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57779194 and 57779203.

It is not an unprimeable number, because it can be changed into a prime (57779203) 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 7 ways as a sum of consecutive naturals, for example, 73496 + ... + 74277.

It is an arithmetic number, because the mean of its divisors is an integer number (7979796).

Almost surely, 2^57779243 is an apocalyptic number.

57779243 is a deficient number, since it is larger than the sum of its proper divisors (6059125).

57779243 is a wasteful number, since it uses less digits than its factorization.

57779243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147813.

The product of its digits is 370440, while the sum is 44.

The square root of 57779243 is about 7601.2658814174. The cubic root of 57779243 is about 386.5959344294.

The spelling of 57779243 in words is "fifty-seven million, seven hundred seventy-nine thousand, two hundred forty-three".