5521682421 has 24 divisors (see below), whose sum is σ = 8209131840. Its totient is φ = 3574267200.

The previous prime is 5521682407. The next prime is 5521682431. The reversal of 5521682421 is 1242861255.

5521682421 is a `hidden beast` number, since 552 + 1 + 6 + 82 + 4 + 21 = 666.

It is not a de Polignac number, because 5521682421 - 2¹⁹ = 5521158133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521682431) 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 23 ways as a sum of consecutive naturals, for example, 42400 + ... + 113318.

It is an arithmetic number, because the mean of its divisors is an integer number (342047160).

Almost surely, 2^5521682421 is an apocalyptic number.

It is an amenable number.

5521682421 is a deficient number, since it is larger than the sum of its proper divisors (2687449419).

5521682421 is a wasteful number, since it uses less digits than its factorization.

5521682421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71177 (or 71174 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 5521682421 is about 74308.0239341620. The cubic root of 5521682421 is about 1767.4907170545.

The spelling of 5521682421 in words is "five billion, five hundred twenty-one million, six hundred eighty-two thousand, four hundred twenty-one".