55061508913320 has 256 divisors, whose sum is σ = 205277862666240. Its totient is φ = 11504583042048.

The previous prime is 55061508913267. The next prime is 55061508913351. The reversal of 55061508913320 is 2331980516055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55061508913320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23352244 + ... + 25601763.

It is an arithmetic number, because the mean of its divisors is an integer number (801866651040).

Almost surely, 2^{55061508913320} is an apocalyptic number.

It is an amenable number.

55061508913320 is an abundant number, since it is smaller than the sum of its proper divisors (150216353752920).

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

55061508913320 is a wasteful number, since it uses less digits than its factorization.

55061508913320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48954144 (or 48954140 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 55061508913320 in words is "fifty-five trillion, sixty-one billion, five hundred eight million, nine hundred thirteen thousand, three hundred twenty".