57220665757057 has 16 divisors (see below), whose sum is σ = 68226538166784. Its totient is φ = 47379540384000.

The previous prime is 57220665757051. The next prime is 57220665757109. The reversal of 57220665757057 is 75075756602275.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-57220665757057 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 57220665757057.

It is not an unprimeable number, because it can be changed into a prime (57220665757051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4935362994 + ... + 4935374587.

It is an arithmetic number, because the mean of its divisors is an integer number (4264158635424).

Almost surely, 2^{57220665757057} is an apocalyptic number.

It is an amenable number.

57220665757057 is a deficient number, since it is larger than the sum of its proper divisors (11005872409727).

57220665757057 is a wasteful number, since it uses less digits than its factorization.

57220665757057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870737640.

The product of its (nonzero) digits is 216090000, while the sum is 64.

The spelling of 57220665757057 in words is "fifty-seven trillion, two hundred twenty billion, six hundred sixty-five million, seven hundred fifty-seven thousand, fifty-seven".