5321435055021 has 8 divisors (see below), whose sum is σ = 7883607488960. Its totient is φ = 3547623369996.

The previous prime is 5321435054989. The next prime is 5321435055071. The reversal of 5321435055021 is 1205505341235.

5321435055021 is a `hidden beast` number, since 5 + 3 + 2 + 143 + 5 + 0 + 5 + 502 + 1 = 666.

It is not a de Polignac number, because 5321435055021 - 2⁵ = 5321435054989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5321435055071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98545093585 + ... + 98545093638.

It is an arithmetic number, because the mean of its divisors is an integer number (985450936120).

Almost surely, 2^{5321435055021} is an apocalyptic number.

It is an amenable number.

5321435055021 is a deficient number, since it is larger than the sum of its proper divisors (2562172433939).

5321435055021 is a wasteful number, since it uses less digits than its factorization.

5321435055021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197090187232 (or 197090187226 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 5321435055021 in words is "five trillion, three hundred twenty-one billion, four hundred thirty-five million, fifty-five thousand, twenty-one".