556402799 has 2 divisors, whose sum is σ = 556402800. Its totient is φ = 556402798.

The previous prime is 556402771. The next prime is 556402801. The reversal of 556402799 is 997204655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556402799 - 2²⁸ = 287967343 is a prime.

Together with 556402801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556402709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278201399 + 278201400.

It is an arithmetic number, because the mean of its divisors is an integer number (278201400).

Almost surely, 2^556402799 is an apocalyptic number.

556402799 is a deficient number, since it is larger than the sum of its proper divisors (1).

556402799 is an equidigital number, since it uses as much as digits as its factorization.

556402799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 556402799 is about 23588.1919400364. The cubic root of 556402799 is about 822.4883755898.

The spelling of 556402799 in words is "five hundred fifty-six million, four hundred two thousand, seven hundred ninety-nine".