556141261 has 16 divisors (see below), whose sum is σ = 616412160. Its totient is φ = 498487680.

The previous prime is 556141259. The next prime is 556141279. The reversal of 556141261 is 162141655.

It is a cyclic number.

It is not a de Polignac number, because 556141261 - 2¹ = 556141259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556141211) 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, 116520 + ... + 121198.

It is an arithmetic number, because the mean of its divisors is an integer number (38525760).

Almost surely, 2^556141261 is an apocalyptic number.

It is an amenable number.

556141261 is a deficient number, since it is larger than the sum of its proper divisors (60270899).

556141261 is a wasteful number, since it uses less digits than its factorization.

556141261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956.

The product of its digits is 7200, while the sum is 31.

The square root of 556141261 is about 23582.6474552795. The cubic root of 556141261 is about 822.3594847464.

The spelling of 556141261 in words is "five hundred fifty-six million, one hundred forty-one thousand, two hundred sixty-one".