55302550007780 has 24 divisors (see below), whose sum is σ = 116154949555008. Its totient is φ = 22117287710048.

The previous prime is 55302550007779. The next prime is 55302550007791. The reversal of 55302550007780 is 8770005520355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233146814 + ... + 233383893.

It is an arithmetic number, because the mean of its divisors is an integer number (4839789564792).

Almost surely, 2^{55302550007780} is an apocalyptic number.

It is an amenable number.

55302550007780 is an abundant number, since it is smaller than the sum of its proper divisors (60852399547228).

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

55302550007780 is a wasteful number, since it uses less digits than its factorization.

55302550007780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466536643 (or 466536641 counting only the distinct ones).

The product of its (nonzero) digits is 1470000, while the sum is 47.

The spelling of 55302550007780 in words is "fifty-five trillion, three hundred two billion, five hundred fifty million, seven thousand, seven hundred eighty".