55726913216 has 56 divisors (see below), whose sum is σ = 120268770384. Its totient is φ = 25465420800.

The previous prime is 55726913173. The next prime is 55726913269. The reversal of 55726913216 is 61231962755.

55726913216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 247550 + ... + 415613.

It is an arithmetic number, because the mean of its divisors is an integer number (2147656614).

Almost surely, 2^55726913216 is an apocalyptic number.

It is an amenable number.

55726913216 is an abundant number, since it is smaller than the sum of its proper divisors (64541857168).

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

55726913216 is a wasteful number, since it uses less digits than its factorization.

55726913216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663289 (or 663279 counting only the distinct ones).

The product of its digits is 680400, while the sum is 47.

The spelling of 55726913216 in words is "fifty-five billion, seven hundred twenty-six million, nine hundred thirteen thousand, two hundred sixteen".