57078946 has 8 divisors (see below), whose sum is σ = 85662720. Its totient is φ = 28524708.

The previous prime is 57078941. The next prime is 57078947. The reversal of 57078946 is 64987075.

It is a happy number.

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

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 57078896 and 57078905.

It is not an unprimeable number, because it can be changed into a prime (57078941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (10707840).

Almost surely, 2^57078946 is an apocalyptic number.

57078946 is a deficient number, since it is larger than the sum of its proper divisors (28583774).

57078946 is a wasteful number, since it uses less digits than its factorization.

57078946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 57078946 is about 7555.0609527654. The cubic root of 57078946 is about 385.0277058827.

The spelling of 57078946 in words is "fifty-seven million, seventy-eight thousand, nine hundred forty-six".