55663454066615 has 8 divisors (see below), whose sum is σ = 67244441155200. Its totient is φ = 44231899069792.

The previous prime is 55663454066567. The next prime is 55663454066641. The reversal of 55663454066615 is 51666045436655.

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

It is a cyclic number.

It is not a de Polignac number, because 55663454066615 - 2⁸ = 55663454066359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37358022119 + ... + 37358023608.

It is an arithmetic number, because the mean of its divisors is an integer number (8405555144400).

Almost surely, 2^{55663454066615} is an apocalyptic number.

55663454066615 is a deficient number, since it is larger than the sum of its proper divisors (11580987088585).

55663454066615 is a wasteful number, since it uses less digits than its factorization.

55663454066615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74716045881.

The product of its (nonzero) digits is 233280000, while the sum is 62.

The spelling of 55663454066615 in words is "fifty-five trillion, six hundred sixty-three billion, four hundred fifty-four million, sixty-six thousand, six hundred fifteen".