57727011 has 4 divisors (see below), whose sum is σ = 76969352. Its totient is φ = 38484672.

The previous prime is 57727009. The next prime is 57727031. The reversal of 57727011 is 11072775.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57727011 - 2¹ = 57727009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57727011.

It is not an unprimeable number, because it can be changed into a prime (57727001) 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, 9621166 + ... + 9621171.

It is an arithmetic number, because the mean of its divisors is an integer number (19242338).

Almost surely, 2^57727011 is an apocalyptic number.

57727011 is a deficient number, since it is larger than the sum of its proper divisors (19242341).

57727011 is a wasteful number, since it uses less digits than its factorization.

57727011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19242340.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 57727011 is about 7597.8293610741. The cubic root of 57727011 is about 386.4794060389.

Adding to 57727011 its reverse (11072775), we get a palindrome (68799786).

The spelling of 57727011 in words is "fifty-seven million, seven hundred twenty-seven thousand, eleven".