57217445366 has 4 divisors (see below), whose sum is σ = 85826168052. Its totient is φ = 28608722682.

The previous prime is 57217445359. The next prime is 57217445393. The reversal of 57217445366 is 66354471275.

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

It is a super-2 number, since 2×57217445366² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14304361340 + ... + 14304361343.

It is an arithmetic number, because the mean of its divisors is an integer number (21456542013).

Almost surely, 2^57217445366 is an apocalyptic number.

57217445366 is a deficient number, since it is larger than the sum of its proper divisors (28608722686).

57217445366 is a wasteful number, since it uses less digits than its factorization.

57217445366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28608722685.

The product of its digits is 4233600, while the sum is 50.

The spelling of 57217445366 in words is "fifty-seven billion, two hundred seventeen million, four hundred forty-five thousand, three hundred sixty-six".