55926798660 has 144 divisors (see below), whose sum is σ = 174000586032. Its totient is φ = 14531788800.

The previous prime is 55926798563. The next prime is 55926798667. The reversal of 55926798660 is 6689762955.

55926798660 is a `hidden beast` number, since 559 + 2 + 6 + 79 + 8 + 6 + 6 + 0 = 666.

55926798660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11617390656 + 44309408004 = 107784^2 + 210498^2 .

It is not an unprimeable number, because it can be changed into a prime (55926798667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6467940 + ... + 6476580.

It is an arithmetic number, because the mean of its divisors is an integer number (1208337403).

Almost surely, 2^55926798660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55926798660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87000293016).

55926798660 is an abundant number, since it is smaller than the sum of its proper divisors (118073787372).

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

55926798660 is a wasteful number, since it uses less digits than its factorization.

55926798660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574 (or 9569 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 55926798660 in words is "fifty-five billion, nine hundred twenty-six million, seven hundred ninety-eight thousand, six hundred sixty".