556880280331 has 4 divisors (see below), whose sum is σ = 557275512600. Its totient is φ = 556485048064.

The previous prime is 556880280283. The next prime is 556880280347. The reversal of 556880280331 is 133082088655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556880280331 - 2¹⁵ = 556880247563 is a prime.

It is a super-3 number, since 3×556880280331³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556880280371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197614021 + ... + 197616838.

It is an arithmetic number, because the mean of its divisors is an integer number (139318878150).

Almost surely, 2^556880280331 is an apocalyptic number.

556880280331 is a deficient number, since it is larger than the sum of its proper divisors (395232269).

556880280331 is a wasteful number, since it uses less digits than its factorization.

556880280331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395232268.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 556880280331 in words is "five hundred fifty-six billion, eight hundred eighty million, two hundred eighty thousand, three hundred thirty-one".