55673646745 has 16 divisors (see below), whose sum is σ = 68486565312. Its totient is φ = 43430437440.

The previous prime is 55673646739. The next prime is 55673646793. The reversal of 55673646745 is 54764637655.

It is not a de Polignac number, because 55673646745 - 2⁷ = 55673646617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55673646745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601251 + ... + 687640.

It is an arithmetic number, because the mean of its divisors is an integer number (4280410332).

Almost surely, 2^55673646745 is an apocalyptic number.

It is an amenable number.

55673646745 is a deficient number, since it is larger than the sum of its proper divisors (12812918567).

55673646745 is a wasteful number, since it uses less digits than its factorization.

55673646745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289112.

The product of its digits is 63504000, while the sum is 58.

The spelling of 55673646745 in words is "fifty-five billion, six hundred seventy-three million, six hundred forty-six thousand, seven hundred forty-five".