56276357217 has 8 divisors (see below), whose sum is σ = 76306925280. Its totient is φ = 36881680320.

The previous prime is 56276357177. The next prime is 56276357257. The reversal of 56276357217 is 71275367265.

It is an interprime number because it is at equal distance from previous prime (56276357177) and next prime (56276357257).

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

It is not a de Polignac number, because 56276357217 - 2⁶ = 56276357153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56276357217.

It is not an unprimeable number, because it can be changed into a prime (56276357257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158972584 + ... + 158972937.

It is an arithmetic number, because the mean of its divisors is an integer number (9538365660).

Almost surely, 2^56276357217 is an apocalyptic number.

It is an amenable number.

56276357217 is a deficient number, since it is larger than the sum of its proper divisors (20030568063).

56276357217 is a wasteful number, since it uses less digits than its factorization.

56276357217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317945583.

The product of its digits is 3704400, while the sum is 51.

The spelling of 56276357217 in words is "fifty-six billion, two hundred seventy-six million, three hundred fifty-seven thousand, two hundred seventeen".