55266716077 has 16 divisors (see below), whose sum is σ = 58303514880. Its totient is φ = 52284051072.

The previous prime is 55266716047. The next prime is 55266716129. The reversal of 55266716077 is 77061766255.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55266716077 - 2⁷ = 55266715949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55266716017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902103 + ... + 1930939.

It is an arithmetic number, because the mean of its divisors is an integer number (3643969680).

Almost surely, 2^55266716077 is an apocalyptic number.

It is an amenable number.

55266716077 is a deficient number, since it is larger than the sum of its proper divisors (3036798803).

55266716077 is a wasteful number, since it uses less digits than its factorization.

55266716077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29772.

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 55266716077 in words is "fifty-five billion, two hundred sixty-six million, seven hundred sixteen thousand, seventy-seven".