5533877193021 has 12 divisors (see below), whose sum is σ = 7994247227200. Its totient is φ = 3688850357640.

The previous prime is 5533877193001. The next prime is 5533877193073. The reversal of 5533877193021 is 1203917783355.

It is a happy number.

5533877193021 is a `hidden beast` number, since 5 + 53 + 387 + 7 + 193 + 0 + 21 = 666.

It is not a de Polignac number, because 5533877193021 - 2⁹ = 5533877192509 is a prime.

It is a super-2 number, since 2×5533877193021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5533877193001) 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 11 ways as a sum of consecutive naturals, for example, 33337975 + ... + 33503556.

Almost surely, 2^{5533877193021} is an apocalyptic number.

It is an amenable number.

5533877193021 is a deficient number, since it is larger than the sum of its proper divisors (2460370034179).

5533877193021 is a wasteful number, since it uses less digits than its factorization.

5533877193021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66850736 (or 66850733 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 5533877193021 in words is "five trillion, five hundred thirty-three billion, eight hundred seventy-seven million, one hundred ninety-three thousand, twenty-one".