556526345 has 16 divisors (see below), whose sum is σ = 682350480. Its totient is φ = 435646464.

The previous prime is 556526317. The next prime is 556526357. The reversal of 556526345 is 543625655.

It can be written as a sum of positive squares in 8 ways, for example, as 24393721 + 532132624 = 4939^2 + 23068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556526345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36719 + ... + 49611.

It is an arithmetic number, because the mean of its divisors is an integer number (42646905).

Almost surely, 2^556526345 is an apocalyptic number.

It is an amenable number.

556526345 is a deficient number, since it is larger than the sum of its proper divisors (125824135).

556526345 is a wasteful number, since it uses less digits than its factorization.

556526345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13084.

The product of its digits is 540000, while the sum is 41.

The square root of 556526345 is about 23590.8106049792. The cubic root of 556526345 is about 822.5492473353.

The spelling of 556526345 in words is "five hundred fifty-six million, five hundred twenty-six thousand, three hundred forty-five".