57066677 has 4 divisors (see below), whose sum is σ = 57789120. Its totient is φ = 56344236.

The previous prime is 57066661. The next prime is 57066683. The reversal of 57066677 is 77666075.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57066677 - 2⁴ = 57066661 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 (57066077) 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, 361103 + ... + 361260.

It is an arithmetic number, because the mean of its divisors is an integer number (14447280).

Almost surely, 2^57066677 is an apocalyptic number.

It is an amenable number.

57066677 is a deficient number, since it is larger than the sum of its proper divisors (722443).

57066677 is an equidigital number, since it uses as much as digits as its factorization.

57066677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722442.

The product of its (nonzero) digits is 370440, while the sum is 44.

The square root of 57066677 is about 7554.2489368567. The cubic root of 57066677 is about 385.0001169393. Note that the first 3 decimals are identical.

The spelling of 57066677 in words is "fifty-seven million, sixty-six thousand, six hundred seventy-seven".