56214255661 has 8 divisors (see below), whose sum is σ = 58155350400. Its totient is φ = 54273339120.

The previous prime is 56214255619. The next prime is 56214255701. The reversal of 56214255661 is 16655241265.

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 56214255661 - 2⁷ = 56214255533 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 (56214255611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071480 + ... + 1122718.

It is an arithmetic number, because the mean of its divisors is an integer number (7269418800).

Almost surely, 2^56214255661 is an apocalyptic number.

It is an amenable number.

56214255661 is a deficient number, since it is larger than the sum of its proper divisors (1941094739).

56214255661 is a wasteful number, since it uses less digits than its factorization.

56214255661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89099.

The product of its digits is 432000, while the sum is 43.

The spelling of 56214255661 in words is "fifty-six billion, two hundred fourteen million, two hundred fifty-five thousand, six hundred sixty-one".