57311011 has 8 divisors (see below), whose sum is σ = 60473600. Its totient is φ = 54163080.

The previous prime is 57310991. The next prime is 57311017. The reversal of 57311011 is 11011375.

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 57311011 - 2⁹ = 57310499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 57311011.

It is not an unprimeable number, because it can be changed into a prime (57311017) 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, 4906 + ... + 11776.

It is an arithmetic number, because the mean of its divisors is an integer number (7559200).

Almost surely, 2^57311011 is an apocalyptic number.

57311011 is a deficient number, since it is larger than the sum of its proper divisors (3162589).

57311011 is a wasteful number, since it uses less digits than its factorization.

57311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 105, while the sum is 19.

The square root of 57311011 is about 7570.4036220006. The cubic root of 57311011 is about 385.5488007403.

Adding to 57311011 its reverse (11011375), we get a palindrome (68322386).

The spelling of 57311011 in words is "fifty-seven million, three hundred eleven thousand, eleven".