556338651 has 32 divisors (see below), whose sum is σ = 894094848. Its totient is φ = 303536640.

The previous prime is 556338649. The next prime is 556338659. The reversal of 556338651 is 156833655.

It is a happy number.

It is not a de Polignac number, because 556338651 - 2¹ = 556338649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556338659) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8656 + ... + 34461.

It is an arithmetic number, because the mean of its divisors is an integer number (27940464).

Almost surely, 2^556338651 is an apocalyptic number.

556338651 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

556338651 is a deficient number, since it is larger than the sum of its proper divisors (337756197).

556338651 is a wasteful number, since it uses less digits than its factorization.

556338651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its digits is 324000, while the sum is 42.

The square root of 556338651 is about 23586.8321527076. The cubic root of 556338651 is about 822.4567659884.

The spelling of 556338651 in words is "five hundred fifty-six million, three hundred thirty-eight thousand, six hundred fifty-one".