56220654611 has 4 divisors (see below), whose sum is σ = 61331623224. Its totient is φ = 51109686000.

The previous prime is 56220654577. The next prime is 56220654629. The reversal of 56220654611 is 11645602265.

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

It is a cyclic number.

It is not a de Polignac number, because 56220654611 - 2³⁰ = 55146912787 is a prime.

It is a super-2 number, since 2×56220654611² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56220654911) 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, 2555484290 + ... + 2555484311.

It is an arithmetic number, because the mean of its divisors is an integer number (15332905806).

Almost surely, 2^56220654611 is an apocalyptic number.

56220654611 is a deficient number, since it is larger than the sum of its proper divisors (5110968613).

56220654611 is a wasteful number, since it uses less digits than its factorization.

56220654611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110968612.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 56220654611 in words is "fifty-six billion, two hundred twenty million, six hundred fifty-four thousand, six hundred eleven".