556405299 has 6 divisors (see below), whose sum is σ = 803696556. Its totient is φ = 370936860.

The previous prime is 556405277. The next prime is 556405321. The reversal of 556405299 is 992504655.

It is a happy number.

556405299 is a `hidden beast` number, since 556 + 4 + 0 + 5 + 2 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (556405277) and next prime (556405321).

It is not a de Polignac number, because 556405299 - 2²⁴ = 539628083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556405229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30911397 + ... + 30911414.

It is an arithmetic number, because the mean of its divisors is an integer number (133949426).

Almost surely, 2^556405299 is an apocalyptic number.

556405299 is a deficient number, since it is larger than the sum of its proper divisors (247291257).

556405299 is a wasteful number, since it uses less digits than its factorization.

556405299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61822817 (or 61822814 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 556405299 is about 23588.2449325930. The cubic root of 556405299 is about 822.4896074419.

The spelling of 556405299 in words is "five hundred fifty-six million, four hundred five thousand, two hundred ninety-nine".