557276161 has 16 divisors (see below), whose sum is σ = 607267584. Its totient is φ = 508342464.

The previous prime is 557276149. The next prime is 557276171. The reversal of 557276161 is 161672755.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 557276161 - 2²⁵ = 523721729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557276171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427036 + ... + 428338.

It is an arithmetic number, because the mean of its divisors is an integer number (37954224).

Almost surely, 2^557276161 is an apocalyptic number.

It is an amenable number.

557276161 is a deficient number, since it is larger than the sum of its proper divisors (49991423).

557276161 is a wasteful number, since it uses less digits than its factorization.

557276161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 88200, while the sum is 40.

The square root of 557276161 is about 23606.6973759567. The cubic root of 557276161 is about 822.9184923908.

The spelling of 557276161 in words is "five hundred fifty-seven million, two hundred seventy-six thousand, one hundred sixty-one".