555851540899 has 4 divisors (see below), whose sum is σ = 555854372536. Its totient is φ = 555848709264.

The previous prime is 555851540861. The next prime is 555851540987. The reversal of 555851540899 is 998045158555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 555851540899 - 2¹³ = 555851532707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555851540899.

It is not an unprimeable number, because it can be changed into a prime (555851540099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097514 + ... + 1521919.

It is an arithmetic number, because the mean of its divisors is an integer number (138963593134).

Almost surely, 2^555851540899 is an apocalyptic number.

555851540899 is a deficient number, since it is larger than the sum of its proper divisors (2831637).

555851540899 is a wasteful number, since it uses less digits than its factorization.

555851540899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831636.

The product of its (nonzero) digits is 64800000, while the sum is 64.

The spelling of 555851540899 in words is "five hundred fifty-five billion, eight hundred fifty-one million, five hundred forty thousand, eight hundred ninety-nine".