1055508575556 has 96 divisors (see below), whose sum is σ = 2627478645120. Its totient is φ = 328841856000.

The previous prime is 1055508575551. The next prime is 1055508575633. The reversal of 1055508575556 is 6555758055501.

1055508575556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055508575556² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 1055508575496 and 1055508575505.

It is not an unprimeable number, because it can be changed into a prime (1055508575551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6389310 + ... + 6552426.

It is an arithmetic number, because the mean of its divisors is an integer number (27369569220).

Almost surely, 2^{1055508575556} 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 1055508575556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313739322560).

1055508575556 is an abundant number, since it is smaller than the sum of its proper divisors (1571970069564).

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

1055508575556 is a wasteful number, since it uses less digits than its factorization.

1055508575556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163525 (or 163523 counting only the distinct ones).

The product of its (nonzero) digits is 26250000, while the sum is 57.

The spelling of 1055508575556 in words is "one trillion, fifty-five billion, five hundred eight million, five hundred seventy-five thousand, five hundred fifty-six".