56350324655221 has 4 divisors (see below), whose sum is σ = 56633492116000. Its totient is φ = 56067157194444.

The previous prime is 56350324655213. The next prime is 56350324655239. The reversal of 56350324655221 is 12255642305365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56350324655221 - 2³ = 56350324655213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56350324655321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141583730091 + ... + 141583730488.

It is an arithmetic number, because the mean of its divisors is an integer number (14158373029000).

Almost surely, 2^{56350324655221} is an apocalyptic number.

It is an amenable number.

56350324655221 is a deficient number, since it is larger than the sum of its proper divisors (283167460779).

56350324655221 is a wasteful number, since it uses less digits than its factorization.

56350324655221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283167460778.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 56350324655221 in words is "fifty-six trillion, three hundred fifty billion, three hundred twenty-four million, six hundred fifty-five thousand, two hundred twenty-one".