57211059 has 4 divisors (see below), whose sum is σ = 76281416. Its totient is φ = 38140704.

The previous prime is 57211043. The next prime is 57211067. The reversal of 57211059 is 95011275.

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

It is not a de Polignac number, because 57211059 - 2⁴ = 57211043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57211159) 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, 9535174 + ... + 9535179.

It is an arithmetic number, because the mean of its divisors is an integer number (19070354).

Almost surely, 2^57211059 is an apocalyptic number.

57211059 is a deficient number, since it is larger than the sum of its proper divisors (19070357).

57211059 is a wasteful number, since it uses less digits than its factorization.

57211059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070356.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 57211059 is about 7563.7992437663. The cubic root of 57211059 is about 385.3245343639.

The spelling of 57211059 in words is "fifty-seven million, two hundred eleven thousand, fifty-nine".