556325749 has 16 divisors (see below), whose sum is σ = 644184576. Its totient is φ = 470592000.

The previous prime is 556325729. The next prime is 556325831. The reversal of 556325749 is 947523655.

556325749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 556325749 - 2⁵ = 556325717 is a prime.

It is a super-2 number, since 2×556325749² = 618996678000822002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556325699 and 556325708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556325729) 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, 291699 + ... + 293599.

It is an arithmetic number, because the mean of its divisors is an integer number (40261536).

Almost surely, 2^556325749 is an apocalyptic number.

It is an amenable number.

556325749 is a deficient number, since it is larger than the sum of its proper divisors (87858827).

556325749 is a wasteful number, since it uses less digits than its factorization.

556325749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 1134000, while the sum is 46.

The square root of 556325749 is about 23586.5586510623. The cubic root of 556325749 is about 822.4504080988.

The spelling of 556325749 in words is "five hundred fifty-six million, three hundred twenty-five thousand, seven hundred forty-nine".