555001099 has 4 divisors (see below), whose sum is σ = 555313464. Its totient is φ = 554688736.

The previous prime is 555001093. The next prime is 555001103. The reversal of 555001099 is 990100555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990100555 = 5 ⋅198020111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555001099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555001093) 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 3 ways as a sum of consecutive naturals, for example, 153502 + ... + 157075.

It is an arithmetic number, because the mean of its divisors is an integer number (138828366).

Almost surely, 2^555001099 is an apocalyptic number.

555001099 is a deficient number, since it is larger than the sum of its proper divisors (312365).

555001099 is a wasteful number, since it uses less digits than its factorization.

555001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312364.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 555001099 is about 23558.4613037439. The cubic root of 555001099 is about 821.7971189224.

The spelling of 555001099 in words is "five hundred fifty-five million, one thousand, ninety-nine".