553930821099 has 16 divisors (see below), whose sum is σ = 868911092640. Its totient is φ = 347564436480.

The previous prime is 553930821091. The next prime is 553930821107. The reversal of 553930821099 is 990128039355.

553930821099 is a `hidden beast` number, since 5 + 5 + 39 + 308 + 210 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (553930821091) and next prime (553930821107).

It is not a de Polignac number, because 553930821099 - 2³ = 553930821091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553930821091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603410022 + ... + 603410939.

It is an arithmetic number, because the mean of its divisors is an integer number (54306943290).

Almost surely, 2^553930821099 is an apocalyptic number.

553930821099 is a deficient number, since it is larger than the sum of its proper divisors (314980271541).

553930821099 is a wasteful number, since it uses less digits than its factorization.

553930821099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206820987 (or 1206820981 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 553930821099 in words is "five hundred fifty-three billion, nine hundred thirty million, eight hundred twenty-one thousand, ninety-nine".