55047847943 has 4 divisors (see below), whose sum is σ = 60052197768. Its totient is φ = 50043498120.

The previous prime is 55047847931. The next prime is 55047847963. The reversal of 55047847943 is 34974874055.

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

It is not a de Polignac number, because 55047847943 - 2⁴ = 55047847927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55047847903) 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, 2502174896 + ... + 2502174917.

It is an arithmetic number, because the mean of its divisors is an integer number (15013049442).

Almost surely, 2^55047847943 is an apocalyptic number.

55047847943 is a deficient number, since it is larger than the sum of its proper divisors (5004349825).

55047847943 is a wasteful number, since it uses less digits than its factorization.

55047847943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004349824.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 55047847943 in words is "fifty-five billion, forty-seven million, eight hundred forty-seven thousand, nine hundred forty-three".