57016207217 has 4 divisors (see below), whose sum is σ = 57016686576. Its totient is φ = 57015727860.

The previous prime is 57016207211. The next prime is 57016207243. The reversal of 57016207217 is 71270261075.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57016207217 - 2¹² = 57016203121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57016207211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88742 + ... + 349152.

It is an arithmetic number, because the mean of its divisors is an integer number (14254171644).

Almost surely, 2^57016207217 is an apocalyptic number.

It is an amenable number.

57016207217 is a deficient number, since it is larger than the sum of its proper divisors (479359).

57016207217 is a wasteful number, since it uses less digits than its factorization.

57016207217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479358.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 57016207217 in words is "fifty-seven billion, sixteen million, two hundred seven thousand, two hundred seventeen".