56385537293 has 4 divisors (see below), whose sum is σ = 56411088000. Its totient is φ = 56359986588.

The previous prime is 56385537181. The next prime is 56385537311. The reversal of 56385537293 is 39273558365.

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 56385537293 - 2¹⁰ = 56385536269 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 (56385537493) 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, 12772043 + ... + 12776456.

It is an arithmetic number, because the mean of its divisors is an integer number (14102772000).

Almost surely, 2^56385537293 is an apocalyptic number.

It is an amenable number.

56385537293 is a deficient number, since it is larger than the sum of its proper divisors (25550707).

56385537293 is a wasteful number, since it uses less digits than its factorization.

56385537293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550706.

The product of its digits is 20412000, while the sum is 56.

The spelling of 56385537293 in words is "fifty-six billion, three hundred eighty-five million, five hundred thirty-seven thousand, two hundred ninety-three".