556566465 has 32 divisors (see below), whose sum is σ = 1096010496. Its totient is φ = 234858240.

The previous prime is 556566419. The next prime is 556566557. The reversal of 556566465 is 564665655.

It is not a de Polignac number, because 556566465 - 2⁸ = 556566209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202506 + ... + 205235.

It is an arithmetic number, because the mean of its divisors is an integer number (34250328).

Almost surely, 2^556566465 is an apocalyptic number.

It is an amenable number.

556566465 is a deficient number, since it is larger than the sum of its proper divisors (539444031).

556566465 is a wasteful number, since it uses less digits than its factorization.

556566465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407769.

The product of its digits is 3240000, while the sum is 48.

The square root of 556566465 is about 23591.6609207576. The cubic root of 556566465 is about 822.5690127266.

The spelling of 556566465 in words is "five hundred fifty-six million, five hundred sixty-six thousand, four hundred sixty-five".