56506650001 has 2 divisors, whose sum is σ = 56506650002. Its totient is φ = 56506650000.

The previous prime is 56506649989. The next prime is 56506650019. The reversal of 56506650001 is 10005660565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56489880976 + 16769025 = 237676^2 + 4095^2 .

It is a cyclic number.

It is not a de Polignac number, because 56506650001 - 2³³ = 47916715409 is a prime.

It is not a weakly prime, because it can be changed into another prime (56506650041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28253325000 + 28253325001.

It is an arithmetic number, because the mean of its divisors is an integer number (28253325001).

Almost surely, 2^56506650001 is an apocalyptic number.

It is an amenable number.

56506650001 is a deficient number, since it is larger than the sum of its proper divisors (1).

56506650001 is an equidigital number, since it uses as much as digits as its factorization.

56506650001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 56506650001 in words is "fifty-six billion, five hundred six million, six hundred fifty thousand, one".