55466799766455 has 96 divisors (see below), whose sum is σ = 111489658947072. Its totient is φ = 23049902050560.

The previous prime is 55466799766451. The next prime is 55466799766489.

It is a happy number.

55466799766455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55466799766455 - 2² = 55466799766451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55466799766451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 259621537 + ... + 259835093.

It is an arithmetic number, because the mean of its divisors is an integer number (1161350614032).

Almost surely, 2^{55466799766455} is an apocalyptic number.

55466799766455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55466799766455 is an abundant number, since it is smaller than the sum of its proper divisors (56022859180617).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55466799766455 is a wasteful number, since it uses less digits than its factorization.

55466799766455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234037 (or 234026 counting only the distinct ones).

The product of its digits is 51438240000, while the sum is 84.

The spelling of 55466799766455 in words is "fifty-five trillion, four hundred sixty-six billion, seven hundred ninety-nine million, seven hundred sixty-six thousand, four hundred fifty-five".