55280646468761 has 8 divisors (see below), whose sum is σ = 65924746099584. Its totient is φ = 45323262943200.

The previous prime is 55280646468713. The next prime is 55280646468799. The reversal of 55280646468761 is 16786464608255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55280646468761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55280646468691 and 55280646468700.

It is not an unprimeable number, because it can be changed into a prime (55280646468461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171679026140 + ... + 171679026461.

It is an arithmetic number, because the mean of its divisors is an integer number (8240593262448).

Almost surely, 2^{55280646468761} is an apocalyptic number.

It is an amenable number.

55280646468761 is a deficient number, since it is larger than the sum of its proper divisors (10644099630823).

55280646468761 is a wasteful number, since it uses less digits than its factorization.

55280646468761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343358052631.

The product of its (nonzero) digits is 464486400, while the sum is 68.

The spelling of 55280646468761 in words is "fifty-five trillion, two hundred eighty billion, six hundred forty-six million, four hundred sixty-eight thousand, seven hundred sixty-one".