56342452321 has 16 divisors (see below), whose sum is σ = 58158777600. Its totient is φ = 54558137088.

The previous prime is 56342452319. The next prime is 56342452373. The reversal of 56342452321 is 12325424365.

It is a cyclic number.

It is not a de Polignac number, because 56342452321 - 2¹ = 56342452319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56342462321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004255 + ... + 2032171.

It is an arithmetic number, because the mean of its divisors is an integer number (3634923600).

Almost surely, 2^56342452321 is an apocalyptic number.

It is an amenable number.

56342452321 is a deficient number, since it is larger than the sum of its proper divisors (1816325279).

56342452321 is a wasteful number, since it uses less digits than its factorization.

56342452321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488.

The product of its digits is 172800, while the sum is 37.

Adding to 56342452321 its reverse (12325424365), we get a palindrome (68667876686).

The spelling of 56342452321 in words is "fifty-six billion, three hundred forty-two million, four hundred fifty-two thousand, three hundred twenty-one".