55016632234615 has 4 divisors (see below), whose sum is σ = 66019958681544. Its totient is φ = 44013305787688.

The previous prime is 55016632234567. The next prime is 55016632234621. The reversal of 55016632234615 is 51643223661055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55016632234615 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 5501663223457 + ... + 5501663223466.

It is an arithmetic number, because the mean of its divisors is an integer number (16504989670386).

Almost surely, 2^{55016632234615} is an apocalyptic number.

55016632234615 is a deficient number, since it is larger than the sum of its proper divisors (11003326446929).

55016632234615 is a wasteful number, since it uses less digits than its factorization.

55016632234615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11003326446928.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 55016632234615 in words is "fifty-five trillion, sixteen billion, six hundred thirty-two million, two hundred thirty-four thousand, six hundred fifteen".