56513307967 has 8 divisors (see below), whose sum is σ = 56659684320. Its totient is φ = 56367114240.

The previous prime is 56513307947. The next prime is 56513308039. The reversal of 56513307967 is 76970331565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56513307967 - 2¹⁵ = 56513275199 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 (56513307947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585259 + ... + 674947.

It is an arithmetic number, because the mean of its divisors is an integer number (7082460540).

Almost surely, 2^56513307967 is an apocalyptic number.

56513307967 is a deficient number, since it is larger than the sum of its proper divisors (146376353).

56513307967 is an equidigital number, since it uses as much as digits as its factorization.

56513307967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91313.

The product of its (nonzero) digits is 3572100, while the sum is 52.

The spelling of 56513307967 in words is "fifty-six billion, five hundred thirteen million, three hundred seven thousand, nine hundred sixty-seven".