57474866 has 16 divisors (see below), whose sum is σ = 89026560. Its totient is φ = 27810720.

The previous prime is 57474863. The next prime is 57474877. The reversal of 57474866 is 66847475.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57474866.

It is not an unprimeable number, because it can be changed into a prime (57474863) 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, 7655 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^57474866 is an apocalyptic number.

57474866 is a deficient number, since it is larger than the sum of its proper divisors (31551694).

57474866 is a wasteful number, since it uses less digits than its factorization.

57474866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689.

The product of its digits is 1128960, while the sum is 47.

The square root of 57474866 is about 7581.2179760247. The cubic root of 57474866 is about 385.9158854543.

The spelling of 57474866 in words is "fifty-seven million, four hundred seventy-four thousand, eight hundred sixty-six".