1055747455556 has 12 divisors (see below), whose sum is σ = 1848673060668. Its totient is φ = 527555152512.

The previous prime is 1055747455541. The next prime is 1055747455573. The reversal of 1055747455556 is 6555547475501.

It can be written as a sum of positive squares in 2 ways, for example, as 622309565956 + 433437889600 = 788866^2 + 658360^2 .

It is a super-2 number, since 2×1055747455556² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055747455495 and 1055747455504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79636361 + ... + 79649616.

It is an arithmetic number, because the mean of its divisors is an integer number (154056088389).

Almost surely, 2^{1055747455556} is an apocalyptic number.

It is an amenable number.

1055747455556 is a deficient number, since it is larger than the sum of its proper divisors (792925605112).

1055747455556 is a wasteful number, since it uses less digits than its factorization.

1055747455556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159287638 (or 159287636 counting only the distinct ones).

The product of its (nonzero) digits is 73500000, while the sum is 59.

The spelling of 1055747455556 in words is "one trillion, fifty-five billion, seven hundred forty-seven million, four hundred fifty-five thousand, five hundred fifty-six".