1055173733556 has 24 divisors (see below), whose sum is σ = 2462132423520. Its totient is φ = 351715952352.

The previous prime is 1055173733539. The next prime is 1055173733587. The reversal of 1055173733556 is 6553373715501.

It is a happy number.

It is a super-2 number, since 2×1055173733556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055173733499 and 1055173733508.

It is a congruent number.

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, 558451 + ... + 1556346.

It is an arithmetic number, because the mean of its divisors is an integer number (102588850980).

Almost surely, 2^{1055173733556} is an apocalyptic number.

It is an amenable number.

1055173733556 is an abundant number, since it is smaller than the sum of its proper divisors (1406958689964).

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

1055173733556 is a wasteful number, since it uses less digits than its factorization.

1055173733556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156383 (or 2156381 counting only the distinct ones).

The product of its (nonzero) digits is 4961250, while the sum is 51.

The spelling of 1055173733556 in words is "one trillion, fifty-five billion, one hundred seventy-three million, seven hundred thirty-three thousand, five hundred fifty-six".