56838631939601 has 4 divisors (see below), whose sum is σ = 56855016674100. Its totient is φ = 56822247205104.

The previous prime is 56838631939547. The next prime is 56838631939651. The reversal of 56838631939601 is 10693913683865.

It is a Cunningham number, because it is equal to 7539140²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1594360782400 + 55244271157201 = 1262680^2 + 7432649^2 .

It is a cyclic number.

It is not a de Polignac number, because 56838631939601 - 2²² = 56838627745297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56838631939651) 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, 8192362046 + ... + 8192368983.

It is an arithmetic number, because the mean of its divisors is an integer number (14213754168525).

Almost surely, 2^{56838631939601} is an apocalyptic number.

It is an amenable number.

56838631939601 is a deficient number, since it is larger than the sum of its proper divisors (16384734499).

56838631939601 is a wasteful number, since it uses less digits than its factorization.

56838631939601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16384734498.

The product of its (nonzero) digits is 151165440, while the sum is 68.

The spelling of 56838631939601 in words is "fifty-six trillion, eight hundred thirty-eight billion, six hundred thirty-one million, nine hundred thirty-nine thousand, six hundred one".