557166511055 has 32 divisors (see below), whose sum is σ = 833665195008. Its totient is φ = 347288659200.

The previous prime is 557166511043. The next prime is 557166511087. The reversal of 557166511055 is 550115661755.

It is not a de Polignac number, because 557166511055 - 2⁴ = 557166511039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3930899 + ... + 4070171.

It is an arithmetic number, because the mean of its divisors is an integer number (26052037344).

Almost surely, 2^557166511055 is an apocalyptic number.

557166511055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557166511055 is a deficient number, since it is larger than the sum of its proper divisors (276498683953).

557166511055 is a wasteful number, since it uses less digits than its factorization.

557166511055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149687.

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 557166511055 in words is "five hundred fifty-seven billion, one hundred sixty-six million, five hundred eleven thousand, fifty-five".