47179729055 has 4 divisors (see below), whose sum is σ = 56615674872. Its totient is φ = 37743783240.

The previous prime is 47179729049. The next prime is 47179729057. The reversal of 47179729055 is 55092797174.

47179729055 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 not a de Polignac number, because 47179729055 - 2⁶ = 47179728991 is a prime.

It is a super-2 number, since 2×47179729055² (a number of 22 digits) contains 22 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 (47179729057) 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, 4717972901 + ... + 4717972910.

It is an arithmetic number, because the mean of its divisors is an integer number (14153918718).

Almost surely, 2^47179729055 is an apocalyptic number.

47179729055 is a deficient number, since it is larger than the sum of its proper divisors (9435945817).

47179729055 is an equidigital number, since it uses as much as digits as its factorization.

47179729055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435945816.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 47179729055 in words is "forty-seven billion, one hundred seventy-nine million, seven hundred twenty-nine thousand, fifty-five".