56601671895 has 24 divisors (see below), whose sum is σ = 98425053792. Its totient is φ = 30090484800.

The previous prime is 56601671851. The next prime is 56601671899. The reversal of 56601671895 is 59817610665.

56601671895 is a `hidden beast` number, since 566 + 0 + 1 + 6 + 71 + 8 + 9 + 5 = 666.

It is not a de Polignac number, because 56601671895 - 2⁸ = 56601671639 is a prime.

It is a super-2 number, since 2×56601671895² (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 (56601671899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2008216 + ... + 2036205.

It is an arithmetic number, because the mean of its divisors is an integer number (4101043908).

Almost surely, 2^56601671895 is an apocalyptic number.

56601671895 is a deficient number, since it is larger than the sum of its proper divisors (41823381897).

56601671895 is a wasteful number, since it uses less digits than its factorization.

56601671895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044743 (or 4044740 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 56601671895 in words is "fifty-six billion, six hundred one million, six hundred seventy-one thousand, eight hundred ninety-five".