556511241 has 16 divisors (see below), whose sum is σ = 871738560. Its totient is φ = 311334720.

The previous prime is 556511239. The next prime is 556511251. The reversal of 556511241 is 142115655.

It is not a de Polignac number, because 556511241 - 2¹ = 556511239 is a prime.

It is a super-2 number, since 2×556511241² = 619409522718720162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556511199 and 556511208.

It is not an unprimeable number, because it can be changed into a prime (556511231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648186 + ... + 649043.

It is an arithmetic number, because the mean of its divisors is an integer number (54483660).

Almost surely, 2^556511241 is an apocalyptic number.

It is an amenable number.

556511241 is a deficient number, since it is larger than the sum of its proper divisors (315227319).

556511241 is a wasteful number, since it uses less digits than its factorization.

556511241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297256.

The product of its digits is 6000, while the sum is 30.

The square root of 556511241 is about 23590.4904781567. The cubic root of 556511241 is about 822.5418060007.

Adding to 556511241 its reverse (142115655), we get a palindrome (698626896).

The spelling of 556511241 in words is "five hundred fifty-six million, five hundred eleven thousand, two hundred forty-one".