56516213363 has 4 divisors (see below), whose sum is σ = 59840696520. Its totient is φ = 53191730208.

The previous prime is 56516213323. The next prime is 56516213371. The reversal of 56516213363 is 36331261565.

56516213363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36331261565 = 5 ⋅7266252313.

It is a cyclic number.

It is not a de Polignac number, because 56516213363 - 2¹⁶ = 56516147827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56516213363.

It is not an unprimeable number, because it can be changed into a prime (56516213323) 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, 1662241553 + ... + 1662241586.

It is an arithmetic number, because the mean of its divisors is an integer number (14960174130).

Almost surely, 2^56516213363 is an apocalyptic number.

56516213363 is a deficient number, since it is larger than the sum of its proper divisors (3324483157).

56516213363 is a wasteful number, since it uses less digits than its factorization.

56516213363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324483156.

The product of its digits is 291600, while the sum is 41.

The spelling of 56516213363 in words is "fifty-six billion, five hundred sixteen million, two hundred thirteen thousand, three hundred sixty-three".