55766701801 has 4 divisors (see below), whose sum is σ = 55830002004. Its totient is φ = 55703401600.

The previous prime is 55766701789. The next prime is 55766701817. The reversal of 55766701801 is 10810766755.

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 35857209600 + 19909492201 = 189360^2 + 141101^2 .

It is a cyclic number.

It is not a de Polignac number, because 55766701801 - 2¹¹ = 55766699753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55766701831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31648780 + ... + 31650541.

It is an arithmetic number, because the mean of its divisors is an integer number (13957500501).

Almost surely, 2^55766701801 is an apocalyptic number.

It is an amenable number.

55766701801 is a deficient number, since it is larger than the sum of its proper divisors (63300203).

55766701801 is an equidigital number, since it uses as much as digits as its factorization.

55766701801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63300202.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 55766701801 in words is "fifty-five billion, seven hundred sixty-six million, seven hundred one thousand, eight hundred one".