56689695425 has 12 divisors (see below), whose sum is σ = 76685697456. Its totient is φ = 41228869200.

The previous prime is 56689695421. The next prime is 56689695427. The reversal of 56689695425 is 52459698665.

It is not a de Polignac number, because 56689695425 - 2² = 56689695421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56689695421) 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 11 ways as a sum of consecutive naturals, for example, 103071899 + ... + 103072448.

It is an arithmetic number, because the mean of its divisors is an integer number (6390474788).

Almost surely, 2^56689695425 is an apocalyptic number.

56689695425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56689695425 is a deficient number, since it is larger than the sum of its proper divisors (19996002031).

56689695425 is a wasteful number, since it uses less digits than its factorization.

56689695425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206144368 (or 206144363 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 65.

The spelling of 56689695425 in words is "fifty-six billion, six hundred eighty-nine million, six hundred ninety-five thousand, four hundred twenty-five".