55415004545 has 4 divisors (see below), whose sum is σ = 66498005460. Its totient is φ = 44332003632.

The previous prime is 55415004527. The next prime is 55415004569. The reversal of 55415004545 is 54540051455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28350477376 + 27064527169 = 168376^2 + 164513^2 .

It is a cyclic number.

It is not a de Polignac number, because 55415004545 - 2⁸ = 55415004289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55415004499 and 55415004508.

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, 5541500450 + ... + 5541500459.

It is an arithmetic number, because the mean of its divisors is an integer number (16624501365).

Almost surely, 2^55415004545 is an apocalyptic number.

It is an amenable number.

55415004545 is a deficient number, since it is larger than the sum of its proper divisors (11083000915).

55415004545 is a wasteful number, since it uses less digits than its factorization.

55415004545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083000914.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 55415004545 in words is "fifty-five billion, four hundred fifteen million, four thousand, five hundred forty-five".