57009777 has 8 divisors (see below), whose sum is σ = 82923360. Its totient is φ = 34551360.

The previous prime is 57009767. The next prime is 57009791. The reversal of 57009777 is 77790075.

It is a happy number.

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

It is not a de Polignac number, because 57009777 - 2⁴ = 57009761 is a prime.

It is a super-2 number, since 2×57009777² = 6500229347179458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57009767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863752 + ... + 863817.

It is an arithmetic number, because the mean of its divisors is an integer number (10365420).

Almost surely, 2^57009777 is an apocalyptic number.

It is an amenable number.

57009777 is a deficient number, since it is larger than the sum of its proper divisors (25913583).

57009777 is a wasteful number, since it uses less digits than its factorization.

57009777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727583.

The product of its (nonzero) digits is 108045, while the sum is 42.

The square root of 57009777 is about 7550.4819051502. The cubic root of 57009777 is about 384.8721158437.

The spelling of 57009777 in words is "fifty-seven million, nine thousand, seven hundred seventy-seven".