57782011 has 8 divisors (see below), whose sum is σ = 66142944. Its totient is φ = 49447680.

The previous prime is 57782009. The next prime is 57782017. The reversal of 57782011 is 11028775.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57782011 - 2¹ = 57782009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57782017) 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, 1750 + ... + 10891.

It is an arithmetic number, because the mean of its divisors is an integer number (8267868).

Almost surely, 2^57782011 is an apocalyptic number.

57782011 is a deficient number, since it is larger than the sum of its proper divisors (8360933).

57782011 is a wasteful number, since it uses less digits than its factorization.

57782011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 57782011 is about 7601.4479541729. The cubic root of 57782011 is about 386.6021078140.

The spelling of 57782011 in words is "fifty-seven million, seven hundred eighty-two thousand, eleven".