56514690013 has 4 divisors (see below), whose sum is σ = 57149686620. Its totient is φ = 55879693408.

The previous prime is 56514690007. The next prime is 56514690047. The reversal of 56514690013 is 31009641565.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7736433849 + 48778256164 = 87957^2 + 220858^2 .

It is a cyclic number.

It is not a de Polignac number, because 56514690013 - 2¹⁷ = 56514558941 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 (56514690073) 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, 317498170 + ... + 317498347.

It is an arithmetic number, because the mean of its divisors is an integer number (14287421655).

Almost surely, 2^56514690013 is an apocalyptic number.

It is an amenable number.

56514690013 is a deficient number, since it is larger than the sum of its proper divisors (634996607).

56514690013 is an equidigital number, since it uses as much as digits as its factorization.

56514690013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634996606.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 56514690013 in words is "fifty-six billion, five hundred fourteen million, six hundred ninety thousand, thirteen".