57678506 has 8 divisors (see below), whose sum is σ = 89501220. Its totient is φ = 27844768.

The previous prime is 57678499. The next prime is 57678521. The reversal of 57678506 is 60587675.

It can be written as a sum of positive squares in 2 ways, for example, as 57623281 + 55225 = 7591^2 + 235^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497171 + ... + 497286.

Almost surely, 2^57678506 is an apocalyptic number.

57678506 is a deficient number, since it is larger than the sum of its proper divisors (31822714).

57678506 is a wasteful number, since it uses less digits than its factorization.

57678506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994488.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 57678506 is about 7594.6366601701. The cubic root of 57678506 is about 386.3711295365.

The spelling of 57678506 in words is "fifty-seven million, six hundred seventy-eight thousand, five hundred six".