55605016847 has 4 divisors (see below), whose sum is σ = 55686430440. Its totient is φ = 55523603256.

The previous prime is 55605016813. The next prime is 55605016871. The reversal of 55605016847 is 74861050655.

55605016847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-55605016847 is a prime.

It is a super-4 number, since 4×55605016847⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605016877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40705772 + ... + 40707137.

It is an arithmetic number, because the mean of its divisors is an integer number (13921607610).

Almost surely, 2^55605016847 is an apocalyptic number.

55605016847 is a deficient number, since it is larger than the sum of its proper divisors (81413593).

55605016847 is an equidigital number, since it uses as much as digits as its factorization.

55605016847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81413592.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 55605016847 in words is "fifty-five billion, six hundred five million, sixteen thousand, eight hundred forty-seven".