557000755 has 8 divisors (see below), whose sum is σ = 671794992. Its totient is φ = 443337888.

The previous prime is 557000693. The next prime is 557000779.

557000755 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 557000755 - 2¹¹ = 556998707 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 557000755.

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, 281757 + ... + 283726.

It is an arithmetic number, because the mean of its divisors is an integer number (83974374).

Almost surely, 2^557000755 is an apocalyptic number.

557000755 is a deficient number, since it is larger than the sum of its proper divisors (114794237).

557000755 is a wasteful number, since it uses less digits than its factorization.

557000755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565685.

The product of its (nonzero) digits is 30625, while the sum is 34.

The square root of 557000755 is about 23600.8634375948. The cubic root of 557000755 is about 822.7829078871.

It can be divided in two parts, 557000 and 755, that added together give a palindrome (557755).

The spelling of 557000755 in words is "five hundred fifty-seven million, seven hundred fifty-five", and thus it is an aban number.