557380855 has 8 divisors (see below), whose sum is σ = 685170864. Its totient is φ = 435028800.

The previous prime is 557380843. The next prime is 557380877. The reversal of 557380855 is 558083755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557380855 - 2⁷ = 557380727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359261 + ... + 1359670.

It is an arithmetic number, because the mean of its divisors is an integer number (85646358).

Almost surely, 2^557380855 is an apocalyptic number.

557380855 is a deficient number, since it is larger than the sum of its proper divisors (127790009).

557380855 is a wasteful number, since it uses less digits than its factorization.

557380855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718977.

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 557380855 is about 23608.9147357518. The cubic root of 557380855 is about 822.9700223383.

The spelling of 557380855 in words is "five hundred fifty-seven million, three hundred eighty thousand, eight hundred fifty-five".