5521784043830 has 64 divisors (see below), whose sum is σ = 10761318899712. Its totient is φ = 2035446433920.

The previous prime is 5521784043817. The next prime is 5521784043833. The reversal of 5521784043830 is 383404871255.

It is a super-2 number, since 2×5521784043830² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521784043833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4582304 + ... + 5660483.

It is an arithmetic number, because the mean of its divisors is an integer number (168145607808).

Almost surely, 2^{5521784043830} is an apocalyptic number.

5521784043830 is a deficient number, since it is larger than the sum of its proper divisors (5239534855882).

5521784043830 is a wasteful number, since it uses less digits than its factorization.

5521784043830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242909.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 5521784043830 in words is "five trillion, five hundred twenty-one billion, seven hundred eighty-four million, forty-three thousand, eight hundred thirty".