56010515217 has 4 divisors (see below), whose sum is σ = 74680686960. Its totient is φ = 37340343476.

The previous prime is 56010515201. The next prime is 56010515221. The reversal of 56010515217 is 71251501065.

It is a happy number.

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 56010515217 - 2⁴ = 56010515201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56010515317) 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, 9335085867 + ... + 9335085872.

It is an arithmetic number, because the mean of its divisors is an integer number (18670171740).

Almost surely, 2^56010515217 is an apocalyptic number.

It is an amenable number.

56010515217 is a deficient number, since it is larger than the sum of its proper divisors (18670171743).

56010515217 is a wasteful number, since it uses less digits than its factorization.

56010515217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670171742.

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 56010515217 in words is "fifty-six billion, ten million, five hundred fifteen thousand, two hundred seventeen".