557185585388 has 12 divisors (see below), whose sum is σ = 975196577880. Its totient is φ = 278557991712.

The previous prime is 557185585381. The next prime is 557185585447. The reversal of 557185585388 is 883585581755.

It is a happy number.

It is a super-2 number, since 2×557185585388² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557185585381) 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, 8664206 + ... + 8728277.

It is an arithmetic number, because the mean of its divisors is an integer number (81266381490).

Almost surely, 2^557185585388 is an apocalyptic number.

It is an amenable number.

557185585388 is a deficient number, since it is larger than the sum of its proper divisors (418010992492).

557185585388 is a wasteful number, since it uses less digits than its factorization.

557185585388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17400496 (or 17400494 counting only the distinct ones).

The product of its digits is 268800000, while the sum is 68.

The spelling of 557185585388 in words is "five hundred fifty-seven billion, one hundred eighty-five million, five hundred eighty-five thousand, three hundred eighty-eight".