56106767077 has 2 divisors, whose sum is σ = 56106767078. Its totient is φ = 56106767076.

The previous prime is 56106767069. The next prime is 56106767137. The reversal of 56106767077 is 77076760165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49343513956 + 6763253121 = 222134^2 + 82239^2 .

It is a cyclic number.

It is not a de Polignac number, because 56106767077 - 2³ = 56106767069 is a prime.

It is a super-2 number, since 2×56106767077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56106767677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28053383538 + 28053383539.

It is an arithmetic number, because the mean of its divisors is an integer number (28053383539).

Almost surely, 2^56106767077 is an apocalyptic number.

It is an amenable number.

56106767077 is a deficient number, since it is larger than the sum of its proper divisors (1).

56106767077 is an equidigital number, since it uses as much as digits as its factorization.

56106767077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The spelling of 56106767077 in words is "fifty-six billion, one hundred six million, seven hundred sixty-seven thousand, seventy-seven".