57017220388 has 12 divisors (see below), whose sum is σ = 99863224972. Its totient is φ = 28484870400.

The previous prime is 57017220373. The next prime is 57017220401. The reversal of 57017220388 is 88302271075.

It can be written as a sum of positive squares in 2 ways, for example, as 315133504 + 56702086884 = 17752^2 + 238122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5929545 + ... + 5939152.

Almost surely, 2^57017220388 is an apocalyptic number.

It is an amenable number.

57017220388 is a deficient number, since it is larger than the sum of its proper divisors (42846004584).

57017220388 is a wasteful number, since it uses less digits than its factorization.

57017220388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869902 (or 11869900 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 57017220388 in words is "fifty-seven billion, seventeen million, two hundred twenty thousand, three hundred eighty-eight".