56105500051 has 2 divisors, whose sum is σ = 56105500052. Its totient is φ = 56105500050.

The previous prime is 56105500039. The next prime is 56105500063. The reversal of 56105500051 is 15000550165.

56105500051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (56105500039) and next prime (56105500063).

It is a cyclic number.

It is not a de Polignac number, because 56105500051 - 2²³ = 56097111443 is a prime.

It is a super-2 number, since 2×56105500051² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56105499992 and 56105500019.

It is not a weakly prime, because it can be changed into another prime (56105500091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28052750025 + 28052750026.

It is an arithmetic number, because the mean of its divisors is an integer number (28052750026).

Almost surely, 2^56105500051 is an apocalyptic number.

56105500051 is a deficient number, since it is larger than the sum of its proper divisors (1).

56105500051 is an equidigital number, since it uses as much as digits as its factorization.

56105500051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 56105500051 in words is "fifty-six billion, one hundred five million, five hundred thousand, fifty-one".