55473813256 has 16 divisors (see below), whose sum is σ = 104042210940. Its totient is φ = 27729223680.

The previous prime is 55473813203. The next prime is 55473813289. The reversal of 55473813256 is 65231837455.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44324565156 + 11149248100 = 210534^2 + 105590^2 .

It is a super-2 number, since 2×55473813256² (a number of 22 digits) contains 22 as substring.

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, 929625 + ... + 987496.

Almost surely, 2^55473813256 is an apocalyptic number.

It is an amenable number.

55473813256 is a deficient number, since it is larger than the sum of its proper divisors (48568397684).

55473813256 is a wasteful number, since it uses less digits than its factorization.

55473813256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920744 (or 1920740 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The spelling of 55473813256 in words is "fifty-five billion, four hundred seventy-three million, eight hundred thirteen thousand, two hundred fifty-six".