57078223 has 8 divisors (see below), whose sum is σ = 62021120. Its totient is φ = 52329240.

The previous prime is 57078179. The next prime is 57078233. The reversal of 57078223 is 32287075.

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

It is not a de Polignac number, because 57078223 - 2⁹ = 57077711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57078233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47865 + ... + 49042.

It is an arithmetic number, because the mean of its divisors is an integer number (7752640).

Almost surely, 2^57078223 is an apocalyptic number.

57078223 is a deficient number, since it is larger than the sum of its proper divisors (4942897).

57078223 is a wasteful number, since it uses less digits than its factorization.

57078223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96957.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 57078223 is about 7555.0131038933. The cubic root of 57078223 is about 385.0260802032.

The spelling of 57078223 in words is "fifty-seven million, seventy-eight thousand, two hundred twenty-three".