47550005505 has 64 divisors (see below), whose sum is σ = 85762291200. Its totient is φ = 25305094656.

The previous prime is 47550005497. The next prime is 47550005509. The reversal of 47550005505 is 50550005574.

It is a happy number.

It is not a de Polignac number, because 47550005505 - 2³ = 47550005497 is a prime.

It is a super-2 number, since 2×47550005505² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47550005505.

It is not an unprimeable number, because it can be changed into a prime (47550005509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5320881 + ... + 5329809.

It is an arithmetic number, because the mean of its divisors is an integer number (1340035800).

Almost surely, 2^47550005505 is an apocalyptic number.

47550005505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47550005505 is a deficient number, since it is larger than the sum of its proper divisors (38212285695).

47550005505 is an frugal number, since it uses more digits than its factorization.

47550005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9424 counting only the distinct ones).

The product of its (nonzero) digits is 87500, while the sum is 36.

The spelling of 47550005505 in words is "forty-seven billion, five hundred fifty million, five thousand, five hundred five".