55730666120 has 32 divisors (see below), whose sum is σ = 130845913920. Its totient is φ = 21323037120.

The previous prime is 55730666083. The next prime is 55730666149. The reversal of 55730666120 is 2166603755.

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, 30287486 + ... + 30289325.

It is an arithmetic number, because the mean of its divisors is an integer number (4088934810).

Almost surely, 2^55730666120 is an apocalyptic number.

It is an amenable number.

55730666120 is an abundant number, since it is smaller than the sum of its proper divisors (75115247800).

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

55730666120 is a wasteful number, since it uses less digits than its factorization.

55730666120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60576845 (or 60576841 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 55730666120 in words is "fifty-five billion, seven hundred thirty million, six hundred sixty-six thousand, one hundred twenty".