57078268 has 12 divisors (see below), whose sum is σ = 107570680. Its totient is φ = 26343792.

The previous prime is 57078247. The next prime is 57078271. The reversal of 57078268 is 86287075.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 548778 + ... + 548881.

Almost surely, 2^57078268 is an apocalyptic number.

It is an amenable number.

57078268 is a deficient number, since it is larger than the sum of its proper divisors (50492412).

57078268 is a wasteful number, since it uses less digits than its factorization.

57078268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097676 (or 1097674 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 57078268 is about 7555.0160820477. The cubic root of 57078268 is about 385.0261813870.

The spelling of 57078268 in words is "fifty-seven million, seventy-eight thousand, two hundred sixty-eight".