55206315665434 has 8 divisors (see below), whose sum is σ = 82811442419028. Its totient is φ = 27602501525760.

The previous prime is 55206315665429. The next prime is 55206315665443. The reversal of 55206315665434 is 43456651360255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55064339686225 + 141975979209 = 7420535^2 + 376797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 328048327 + ... + 328216570.

Almost surely, 2^{55206315665434} is an apocalyptic number.

55206315665434 is a deficient number, since it is larger than the sum of its proper divisors (27605126753594).

55206315665434 is a wasteful number, since it uses less digits than its factorization.

55206315665434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656306960.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 55206315665434 in words is "fifty-five trillion, two hundred six billion, three hundred fifteen million, six hundred sixty-five thousand, four hundred thirty-four".