56551767695 has 8 divisors (see below), whose sum is σ = 70202194560. Its totient is φ = 43681365280.

The previous prime is 56551767691. The next prime is 56551767703. The reversal of 56551767695 is 59676715565.

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

It is not a de Polignac number, because 56551767695 - 2² = 56551767691 is a prime.

It is a super-2 number, since 2×56551767695² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56551767691) 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, 195005951 + ... + 195006240.

It is an arithmetic number, because the mean of its divisors is an integer number (8775274320).

Almost surely, 2^56551767695 is an apocalyptic number.

56551767695 is a deficient number, since it is larger than the sum of its proper divisors (13650426865).

56551767695 is a wasteful number, since it uses less digits than its factorization.

56551767695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390012225.

The product of its digits is 59535000, while the sum is 62.

The spelling of 56551767695 in words is "fifty-six billion, five hundred fifty-one million, seven hundred sixty-seven thousand, six hundred ninety-five".