557120386 has 16 divisors (see below), whose sum is σ = 848484288. Its totient is φ = 274302000.

The previous prime is 557120339. The next prime is 557120393. The reversal of 557120386 is 683021755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147376 + ... + 151108.

It is an arithmetic number, because the mean of its divisors is an integer number (53030268).

Almost surely, 2^557120386 is an apocalyptic number.

557120386 is a deficient number, since it is larger than the sum of its proper divisors (291363902).

557120386 is a wasteful number, since it uses less digits than its factorization.

557120386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 557120386 is about 23603.3977638814. The cubic root of 557120386 is about 822.8418086427.

The spelling of 557120386 in words is "five hundred fifty-seven million, one hundred twenty thousand, three hundred eighty-six".