55670120771 has 4 divisors (see below), whose sum is σ = 56613682200. Its totient is φ = 54726559344.

The previous prime is 55670120683. The next prime is 55670120789. The reversal of 55670120771 is 17702107655.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17702107655 = 5 ⋅3540421531.

It is a cyclic number.

It is not a de Polignac number, because 55670120771 - 2³⁴ = 38490251587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55670120071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471780626 + ... + 471780743.

It is an arithmetic number, because the mean of its divisors is an integer number (14153420550).

Almost surely, 2^55670120771 is an apocalyptic number.

55670120771 is a deficient number, since it is larger than the sum of its proper divisors (943561429).

55670120771 is an equidigital number, since it uses as much as digits as its factorization.

55670120771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943561428.

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 55670120771 in words is "fifty-five billion, six hundred seventy million, one hundred twenty thousand, seven hundred seventy-one".