56105500039 has 2 divisors, whose sum is σ = 56105500040. Its totient is φ = 56105500038.

The previous prime is 56105500013. The next prime is 56105500051. The reversal of 56105500039 is 93000550165.

56105500039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56105500039 - 2²⁵ = 56071945607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56105499977 and 56105500013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56105500739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28052750019 + 28052750020.

It is an arithmetic number, because the mean of its divisors is an integer number (28052750020).

Almost surely, 2^56105500039 is an apocalyptic number.

56105500039 is a deficient number, since it is larger than the sum of its proper divisors (1).

56105500039 is an equidigital number, since it uses as much as digits as its factorization.

56105500039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 34.

The spelling of 56105500039 in words is "fifty-six billion, one hundred five million, five hundred thousand, thirty-nine".