556378299 has 12 divisors (see below), whose sum is σ = 813341256. Its totient is φ = 366449472.

The previous prime is 556378267. The next prime is 556378313. The reversal of 556378299 is 992873655.

556378299 is a `hidden beast` number, since 5 + 563 + 78 + 2 + 9 + 9 = 666.

It is not a de Polignac number, because 556378299 - 2⁵ = 556378267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556378399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371662 + ... + 373155.

It is an arithmetic number, because the mean of its divisors is an integer number (67778438).

Almost surely, 2^556378299 is an apocalyptic number.

556378299 is a deficient number, since it is larger than the sum of its proper divisors (256962957).

556378299 is a wasteful number, since it uses less digits than its factorization.

556378299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744906 (or 744903 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 556378299 is about 23587.6726066817. The cubic root of 556378299 is about 822.4763032440.

It can be divided in two parts, 55637 and 8299, that added together give a palindrome (63936).

The spelling of 556378299 in words is "five hundred fifty-six million, three hundred seventy-eight thousand, two hundred ninety-nine".